diff --git a/App/iOS/Delegates/AppDelegate.swift b/App/iOS/Delegates/AppDelegate.swift
index 1a5f81d514e..845e7f481e9 100644
--- a/App/iOS/Delegates/AppDelegate.swift
+++ b/App/iOS/Delegates/AppDelegate.swift
@@ -270,8 +270,8 @@ class AppDelegate: UIResponder, UIApplicationDelegate {
     }
 
     // Check if user has launched the application before and determine if it is a new retention user
-    if Preferences.General.isFirstLaunch.value, Preferences.General.isNewRetentionUser.value == nil {
-      Preferences.General.isNewRetentionUser.value = true
+    if Preferences.General.isFirstLaunch.value, Preferences.Onboarding.isNewRetentionUser.value == nil {
+      Preferences.Onboarding.isNewRetentionUser.value = true
     }
 
     if Preferences.DAU.appRetentionLaunchDate.value == nil {
@@ -339,6 +339,15 @@ class AppDelegate: UIResponder, UIApplicationDelegate {
       .didFinishLaunching(options: launchOptions ?? [:])
     )
     
+    // DAU may not have pinged on the first launch so weekOfInstallation pref may not be set yet
+    if let weekOfInstall = Preferences.DAU.weekOfInstallation.value ??
+        Preferences.DAU.installationDate.value?.mondayOfCurrentWeekFormatted {
+      braveCore.initializeP3AService(
+        forChannel: AppConstants.buildChannel.serverChannelParam,
+        weekOfInstall: weekOfInstall
+      )
+    }
+    
     return shouldPerformAdditionalDelegateHandling
   }
 
diff --git a/Client/Frontend/Browser/BrowserViewController.swift b/Client/Frontend/Browser/BrowserViewController.swift
index 6ccb1240d48..b0d8b21f8d0 100644
--- a/Client/Frontend/Browser/BrowserViewController.swift
+++ b/Client/Frontend/Browser/BrowserViewController.swift
@@ -1120,9 +1120,10 @@ public class BrowserViewController: UIViewController {
     presentOnboardingIntro()
 
     // Full Screen Callout Presentation
-    // Priority: VPN - Default Browser - Rewards - Sync
+    // Priority: P3A - VPN - Default Browser - Rewards
     // TODO: Remove the dispatch after with a proper fix and fix calling present functions before super.viewDidAppear
     DispatchQueue.main.asyncAfter(deadline: .now() + 1.0) {
+      self.presentP3AScreenCallout()
       self.presentVPNAlertCallout()
       self.presentDefaultBrowserScreenCallout()
       self.presentBraveRewardsScreenCallout()
diff --git a/Client/Frontend/Browser/BrowserViewController/BVC+Rewards.swift b/Client/Frontend/Browser/BrowserViewController/BVC+Rewards.swift
index ac0d3480141..292e7e551ca 100644
--- a/Client/Frontend/Browser/BrowserViewController/BVC+Rewards.swift
+++ b/Client/Frontend/Browser/BrowserViewController/BVC+Rewards.swift
@@ -37,7 +37,7 @@ extension BrowserViewController {
 
   func showBraveRewardsPanel() {
     if !Preferences.FullScreenCallout.rewardsCalloutCompleted.value,
-      Preferences.General.isNewRetentionUser.value == true,
+      Preferences.Onboarding.isNewRetentionUser.value == true,
       !Preferences.Rewards.rewardsToggledOnce.value {
 
       let controller = OnboardingRewardsAgreementViewController()
diff --git a/Client/Frontend/Browser/BrowserViewController/BrowserViewController+Callout.swift b/Client/Frontend/Browser/BrowserViewController/BrowserViewController+Callout.swift
index 186bfe6cd09..e040538edc7 100644
--- a/Client/Frontend/Browser/BrowserViewController/BrowserViewController+Callout.swift
+++ b/Client/Frontend/Browser/BrowserViewController/BrowserViewController+Callout.swift
@@ -11,6 +11,7 @@ import SwiftKeychainWrapper
 import SwiftUI
 import BraveVPN
 import Onboarding
+import SafariServices
 
 // MARK: - Callouts
 
@@ -29,6 +30,51 @@ extension BrowserViewController {
       present(controller, animated: false)
     }
   }
+  
+  func presentP3AScreenCallout() {
+    if Preferences.DebugFlag.skipNTPCallouts == true || isOnboardingOrFullScreenCalloutPresented { return }
+
+    if presentedViewController != nil || !FullScreenCalloutManager.shouldShowDefaultBrowserCallout(calloutType: .p3a) {
+      return
+    }
+    
+    let onboardingP3ACalloutController = Welcome3PAViewController().then {
+      $0.isModalInPresentation = true
+      $0.modalPresentationStyle = .overFullScreen
+    }
+
+    let state = WelcomeViewCalloutState.p3a(
+      info: WelcomeViewCalloutState.WelcomeViewDefaultBrowserDetails(
+        title: Strings.Callout.p3aCalloutTitle,
+        toggleTitle: Strings.Callout.p3aCalloutToggleTitle,
+        details: Strings.Callout.p3aCalloutDescription,
+        linkDescription: Strings.Callout.p3aCalloutLinkTitle,
+        primaryButtonTitle: Strings.done,
+        toggleAction: { [weak self] isOn in
+          self?.braveCore.p3aUtils.isP3AEnabled = isOn
+        },
+        linkAction: { url in
+          let p3aLearnMoreController = SFSafariViewController(url: BraveUX.braveP3ALearnMoreURL, configuration: .init())
+          p3aLearnMoreController.modalPresentationStyle = .currentContext
+          
+          onboardingP3ACalloutController.present(p3aLearnMoreController, animated: true)
+        },
+        primaryButtonAction: { [weak self] in
+          Preferences.Onboarding.p3aOnboardingShown.value = true
+
+          self?.isOnboardingOrFullScreenCalloutPresented = true
+          self?.dismiss(animated: false)
+        }
+      )
+    )
+
+    onboardingP3ACalloutController.setLayoutState(state: state)
+    
+    if !isOnboardingOrFullScreenCalloutPresented {
+      braveCore.p3aUtils.isNoticeAcknowledged = true
+      present(onboardingP3ACalloutController, animated: false)
+    }
+  }
 
   func presentVPNAlertCallout() {
     if Preferences.DebugFlag.skipNTPCallouts == true || isOnboardingOrFullScreenCalloutPresented { return }
@@ -77,7 +123,7 @@ extension BrowserViewController {
           details: Strings.Callout.defaultBrowserCalloutDescription,
           primaryButtonTitle: Strings.Callout.defaultBrowserCalloutPrimaryButtonTitle,
           secondaryButtonTitle: Strings.Callout.defaultBrowserCalloutSecondaryButtonTitle,
-          primaryAction: { [weak self] in
+          primaryButtonAction: { [weak self] in
             guard let settingsUrl = URL(string: UIApplication.openSettingsURLString) else {
               return
             }
@@ -88,13 +134,13 @@ extension BrowserViewController {
             UIApplication.shared.open(settingsUrl)
             self?.dismiss(animated: false)
           },
-          secondaryAction: { [weak self] in
+          secondaryButtonAction: { [weak self] in
             self?.isOnboardingOrFullScreenCalloutPresented = true
 
             self?.dismiss(animated: false)
           }
         )
-      )
+      ), p3aUtilities: braveCore.p3aUtils
     )
 
     if !isOnboardingOrFullScreenCalloutPresented {
diff --git a/Client/Frontend/Browser/BrowserViewController/BrowserViewController+CookieNotificationBlocking.swift b/Client/Frontend/Browser/BrowserViewController/BrowserViewController+CookieNotificationBlocking.swift
index 5115fbd2280..56447cf99a8 100644
--- a/Client/Frontend/Browser/BrowserViewController/BrowserViewController+CookieNotificationBlocking.swift
+++ b/Client/Frontend/Browser/BrowserViewController/BrowserViewController+CookieNotificationBlocking.swift
@@ -8,6 +8,7 @@ import SwiftUI
 import BraveUI
 import BraveShared
 import Data
+import Onboarding
 
 extension BrowserViewController {
   func presentCookieNotificationBlockingCalloutIfNeeded() {
diff --git a/Client/Frontend/Browser/BrowserViewController/BrowserViewController+Onboarding.swift b/Client/Frontend/Browser/BrowserViewController/BrowserViewController+Onboarding.swift
index 95842d67ee2..fc1a4a7c1a8 100644
--- a/Client/Frontend/Browser/BrowserViewController/BrowserViewController+Onboarding.swift
+++ b/Client/Frontend/Browser/BrowserViewController/BrowserViewController+Onboarding.swift
@@ -32,8 +32,8 @@ extension BrowserViewController {
     // 1. User is brand new
     // 2. User hasn't completed onboarding
     if Preferences.Onboarding.basicOnboardingCompleted.value != OnboardingState.completed.rawValue,
-       Preferences.General.isNewRetentionUser.value == true {
-      let onboardingController = WelcomeViewController()
+       Preferences.Onboarding.isNewRetentionUser.value == true {
+      let onboardingController = WelcomeViewController(p3aUtilities: braveCore.p3aUtils)
       onboardingController.modalPresentationStyle = .fullScreen
       parentController.present(onboardingController, animated: false)
       isOnboardingOrFullScreenCalloutPresented = true
@@ -58,7 +58,7 @@ extension BrowserViewController {
        Preferences.DebugFlag.skipNTPCallouts != true {
       
       if !Preferences.FullScreenCallout.omniboxCalloutCompleted.value,
-          Preferences.General.isNewRetentionUser.value == true {
+          Preferences.Onboarding.isNewRetentionUser.value == true {
         presentOmniBoxOnboarding()
         addNTPTutorialPage()
       }
diff --git a/Client/Frontend/Browser/BrowserViewController/BrowserViewController+ProductNotification.swift b/Client/Frontend/Browser/BrowserViewController/BrowserViewController+ProductNotification.swift
index efab21b3944..f905eb06e86 100644
--- a/Client/Frontend/Browser/BrowserViewController/BrowserViewController+ProductNotification.swift
+++ b/Client/Frontend/Browser/BrowserViewController/BrowserViewController+ProductNotification.swift
@@ -43,7 +43,7 @@ extension BrowserViewController {
           !Preferences.General.onboardingAdblockPopoverShown.value,
           !benchmarkNotificationPresented,
           !Preferences.AppState.backgroundedCleanly.value,
-          Preferences.General.isNewRetentionUser.value == true,
+          Preferences.Onboarding.isNewRetentionUser.value == true,
           !topToolbar.inOverlayMode,
           !isTabTrayActive,
           selectedTab.webView?.scrollView.isDragging == false,
diff --git a/Client/Frontend/Browser/BrowserViewController/BrowserViewController+ToolbarDelegate.swift b/Client/Frontend/Browser/BrowserViewController/BrowserViewController+ToolbarDelegate.swift
index 1bcdd171ed7..60395ee6bc8 100644
--- a/Client/Frontend/Browser/BrowserViewController/BrowserViewController+ToolbarDelegate.swift
+++ b/Client/Frontend/Browser/BrowserViewController/BrowserViewController+ToolbarDelegate.swift
@@ -299,7 +299,8 @@ extension BrowserViewController: TopToolbarDelegate {
           profile: self.profile,
           tabManager: self.tabManager,
           feedDataSource: self.feedDataSource,
-          historyAPI: self.braveCore.historyAPI
+          historyAPI: self.braveCore.historyAPI,
+          p3aUtilities: self.braveCore.p3aUtils
         )
         let container = SettingsNavigationController(rootViewController: shieldsAndPrivacy)
         container.isModalInPresentation = true
diff --git a/Client/Frontend/ClientPreferences.swift b/Client/Frontend/ClientPreferences.swift
index f494e340c1e..bad8f355dc6 100644
--- a/Client/Frontend/ClientPreferences.swift
+++ b/Client/Frontend/ClientPreferences.swift
@@ -45,8 +45,6 @@ extension Preferences {
   final public class General {
     /// Whether this is the first time user has ever launched Brave after intalling. *Should never be set to `true` manually!*
     public static let isFirstLaunch = Option<Bool>(key: "general.first-launch", default: true)
-    /// Whether this is a new user who installed the application after onboarding retention updates
-    public static let isNewRetentionUser = Option<Bool?>(key: "general.new-retention", default: nil)
     /// Whether or not to save logins in Brave
     static let saveLogins = Option<Bool>(key: "general.save-logins", default: true)
     /// Whether or not to block popups from websites automaticaly
@@ -95,43 +93,6 @@ extension Preferences {
     static let isUsingBottomBar = Option<Bool>(key: "general.bottom-bar", default: false)
   }
 
-  final public class FullScreenCallout {
-    /// Whether the block cookie consent notices callout is shown.
-    static let blockCookieConsentNoticesCalloutCompleted =
-      Option<Bool>(key: "fullScreenCallout.full-screen-cookie-consent-notices-callout-completed", default: false)
-    
-    /// Whether the vpn callout is shown.
-    static let vpnCalloutCompleted =
-      Option<Bool>(key: "fullScreenCallout.full-screen-vpn-callout-completed", default: false)
-
-    /// Whether the rewards callout is shown.
-    static let rewardsCalloutCompleted =
-      Option<Bool>(key: "fullScreenCallout.full-screen-rewards-callout-completed", default: false)
-
-    /// Whether the whats new callout should be shown.
-    static let whatsNewCalloutOptIn =
-      Option<Bool>(key: "fullScreenCallout.full-screen-whats-new-callout-completed", default: false)
-
-    /// Whether the ntp callout is shown.
-    static let ntpCalloutCompleted =
-      Option<Bool>(key: "fullScreenCallout.full-screen-ntp-callout-completed", default: false)
-    
-    /// Whether the omnibox callout is shown.
-    static let omniboxCalloutCompleted =
-      Option<Bool>(key: "fullScreenCallout.full-screen-omnibox-callout-completed", default: false)
-  }
-
-  final public class DefaultBrowserIntro {
-    /// Whether the default browser onboarding completed. This can happen by opening app settings or after the user
-    /// dismissed the intro screen enough amount of times.
-    static let completed =
-      Option<Bool>(key: "defaultBrowserIntro.intro-completed", default: false)
-
-    /// Whether system notification showed or not
-    static let defaultBrowserNotificationScheduled =
-      Option<Bool>(key: "general.default-browser-notification-scheduled", default: false)
-  }
-
   final public class Search {
     /// Whether or not to show suggestions while the user types
     static let showSuggestions = Option<Bool>(key: "search.show-suggestions", default: false)
diff --git a/Client/Frontend/Settings/BraveShieldsAndPrivacySettingsController.swift b/Client/Frontend/Settings/BraveShieldsAndPrivacySettingsController.swift
index ca4215a8da0..9a010c8e6a3 100644
--- a/Client/Frontend/Settings/BraveShieldsAndPrivacySettingsController.swift
+++ b/Client/Frontend/Settings/BraveShieldsAndPrivacySettingsController.swift
@@ -21,16 +21,25 @@ class BraveShieldsAndPrivacySettingsController: TableViewController {
   let tabManager: TabManager
   let feedDataSource: FeedDataSource
   let historyAPI: BraveHistoryAPI
+  let p3aUtilities: BraveP3AUtils
+
   private let cookieConsentNoticesRowUUID = UUID()
   private var filterListsSubscription: AnyCancellable?
   private var currentCookieConsentNoticeBlockingState: Bool
 
-  init(profile: Profile, tabManager: TabManager, feedDataSource: FeedDataSource, historyAPI: BraveHistoryAPI) {
+  init(
+    profile: Profile,
+    tabManager: TabManager,
+    feedDataSource: FeedDataSource,
+    historyAPI: BraveHistoryAPI,
+    p3aUtilities: BraveP3AUtils
+  ) {
     self.profile = profile
     self.tabManager = tabManager
     self.feedDataSource = feedDataSource
     self.historyAPI = historyAPI
-    
+    self.p3aUtilities = p3aUtilities
+
     self.currentCookieConsentNoticeBlockingState = FilterListResourceDownloader.shared.isEnabled(
       for: FilterList.cookieConsentNoticesComponentID
     )
@@ -264,6 +273,16 @@ class BraveShieldsAndPrivacySettingsController: TableViewController {
   }()
 
   private lazy var otherSettingsSection: Section = {
+    let p3aRow = Row.boolRow(
+      title: Strings.P3A.settingTitle,
+      detailText: Strings.P3A.settingSubtitle,
+      toggleValue: p3aUtilities.isP3AEnabled,
+      valueChange: { [unowned self] isOn in
+        p3aUtilities.isP3AEnabled = isOn
+      },
+      cellReuseId: "p3a"
+    )
+    
     var section = Section(
       header: .title(Strings.otherPrivacySettingsSection),
       rows: [
@@ -289,6 +308,7 @@ class BraveShieldsAndPrivacySettingsController: TableViewController {
         )
       )
     }
+    section.rows.append(p3aRow)
     
     return section
   }()
diff --git a/Client/Frontend/Settings/RetentionPreferencesDebugMenuViewController.swift b/Client/Frontend/Settings/RetentionPreferencesDebugMenuViewController.swift
index 5e5f628fb1f..4e2abb8fc4f 100644
--- a/Client/Frontend/Settings/RetentionPreferencesDebugMenuViewController.swift
+++ b/Client/Frontend/Settings/RetentionPreferencesDebugMenuViewController.swift
@@ -10,10 +10,13 @@ import BraveShared
 import UIKit
 import BraveUI
 import Onboarding
+import BraveCore
 
 class RetentionPreferencesDebugMenuViewController: TableViewController {
+  private let p3aUtilities: BraveP3AUtils
 
-  init() {
+  init(p3aUtilities: BraveP3AUtils) {
+    self.p3aUtilities = p3aUtilities
     super.init(style: .insetGrouped)
   }
 
@@ -52,7 +55,7 @@ class RetentionPreferencesDebugMenuViewController: TableViewController {
         .init(
           text: "Start Onboarding",
           selection: { [unowned self] in
-            let onboardingController = WelcomeViewController()
+            let onboardingController = WelcomeViewController(state: .loading, p3aUtilities: self.p3aUtilities)
             onboardingController.modalPresentationStyle = .fullScreen
 
             present(onboardingController, animated: false)
@@ -104,11 +107,11 @@ class RetentionPreferencesDebugMenuViewController: TableViewController {
         .boolRow(
           title: "Retention User",
           detailText: "Flag showing if the user installed the application after new onboarding is added.",
-          toggleValue: Preferences.General.isNewRetentionUser.value ?? false,
+          toggleValue: Preferences.Onboarding.isNewRetentionUser.value ?? false,
           valueChange: {
             if $0 {
               let status = $0
-              Preferences.General.isNewRetentionUser.value = status
+              Preferences.Onboarding.isNewRetentionUser.value = status
             }
           },
           cellReuseId: "RetentionUserCell"),
diff --git a/Client/Frontend/Settings/SettingsViewController.swift b/Client/Frontend/Settings/SettingsViewController.swift
index f4af96483d7..79538a6139a 100644
--- a/Client/Frontend/Settings/SettingsViewController.swift
+++ b/Client/Frontend/Settings/SettingsViewController.swift
@@ -46,6 +46,7 @@ class SettingsViewController: TableViewController {
   private let passwordAPI: BravePasswordAPI
   private let syncAPI: BraveSyncAPI
   private let syncProfileServices: BraveSyncProfileServiceIOS
+  private let p3aUtilities: BraveP3AUtils
   private let keyringStore: KeyringStore?
   private let cryptoStore: CryptoStore?
   private let windowProtection: WindowProtection?
@@ -74,6 +75,7 @@ class SettingsViewController: TableViewController {
     self.passwordAPI = braveCore.passwordAPI
     self.syncAPI = braveCore.syncAPI
     self.syncProfileServices = braveCore.syncProfileService
+    self.p3aUtilities = braveCore.p3aUtils
     self.keyringStore = keyringStore
     self.cryptoStore = cryptoStore
 
@@ -205,7 +207,9 @@ class SettingsViewController: TableViewController {
               profile: self.profile,
               tabManager: self.tabManager,
               feedDataSource: self.feedDataSource,
-              historyAPI: self.historyAPI)
+              historyAPI: self.historyAPI,
+              p3aUtilities: self.p3aUtilities
+            )
             self.navigationController?.pushViewController(controller, animated: true)
           }, image: UIImage(named: "settings-shields", in: .module, compatibleWith: nil)!, accessory: .disclosureIndicator)
       ],
@@ -659,6 +663,14 @@ class SettingsViewController: TableViewController {
           selection: { [unowned self] in
             self.displayBraveSearchDebugMenu()
           }, accessory: .disclosureIndicator, cellClass: MultilineValue1Cell.self),
+        Row(
+          text: "View Brave Histogram (p3a) Logs",
+          selection: { [unowned self] in
+            let histogramsController = self.p3aUtilities.histogramsController().then {
+              $0.title = "Histograms (p3a)"
+            }
+            self.navigationController?.pushViewController(histogramsController, animated: true)
+          }, accessory: .disclosureIndicator, cellClass: MultilineValue1Cell.self),
         Row(
           text: "VPN Logs",
           selection: { [unowned self] in
@@ -667,7 +679,7 @@ class SettingsViewController: TableViewController {
         Row(
           text: "Retention Preferences Debug Menu",
           selection: { [unowned self] in
-            self.navigationController?.pushViewController(RetentionPreferencesDebugMenuViewController(), animated: true)
+            self.navigationController?.pushViewController(RetentionPreferencesDebugMenuViewController(p3aUtilities: p3aUtilities), animated: true)
           }, accessory: .disclosureIndicator, cellClass: MultilineValue1Cell.self),
         Row(
           text: "Load all QA Links",
diff --git a/Package.swift b/Package.swift
index 81b35656b97..4ed136a42b9 100644
--- a/Package.swift
+++ b/Package.swift
@@ -352,6 +352,7 @@ let package = Package(
         "BraveCore",
         "Fuzi",
         "Storage",
+        "Growth",
         .product(name: "Lottie", package: "lottie-ios")
       ],
       resources: [
@@ -359,7 +360,7 @@ let package = Package(
         .copy("LottieAssets/onboarding-rewards.json"),
         .copy("LottieAssets/onboarding-shields.json"),
         .copy("Welcome/Resources/disconnect-entitylist.json"),
-        .copy("ProductNotifications/blocking-summary.json")
+        .copy("ProductNotifications/Resources/blocking-summary.json")
       ],
       plugins: ["LoggerPlugin"]
     ),
diff --git a/Sources/BraveShared/BraveStrings.swift b/Sources/BraveShared/BraveStrings.swift
index 0320694881c..0c151670fd2 100644
--- a/Sources/BraveShared/BraveStrings.swift
+++ b/Sources/BraveShared/BraveStrings.swift
@@ -266,6 +266,30 @@ extension Strings {
         tableName: "BraveShared", bundle: .module,
         value: "Tab Received",
         comment: "Title for 'Tab Received' Callout, This is shown in the message when a Tab information is received from another sync device. ")
+    public static let p3aCalloutTitle =
+      NSLocalizedString(
+        "callout.p3aCalloutTitle",
+        tableName: "BraveShared", bundle: .module,
+        value: "Help make Brave better.",
+        comment: "Title for p3a (Privacy Preserving Analytics) Full Screen Callout")
+    public static let p3aCalloutDescription =
+      NSLocalizedString(
+        "callout.p3aCalloutDescription",
+        tableName: "BraveShared", bundle: .module,
+        value: "This helps us learn what Brave features are used most often. Change this at any time in Brave Settings under ‘Brave Shields and Privacy’.",
+        comment: "Subtitle - Description for p3a (Privacy Preserving Analytics) Full Screen Callout")
+    public static let p3aCalloutToggleTitle =
+      NSLocalizedString(
+        "callout.p3aCalloutToggleTitle",
+        tableName: "BraveShared", bundle: .module,
+        value: "Share anonymous, private product insights. ",
+        comment: "Title for toggle for enabling p3a (Privacy Preserving Analytics) Full Screen Callout")
+    public static let p3aCalloutLinkTitle =
+      NSLocalizedString(
+        "callout.p3aCalloutLinkTitle",
+        tableName: "BraveShared", bundle: .module,
+        value: "Learn more about our Privacy Preserving Product Analytics (P3A).",
+        comment: "Title for the link that navigates to a webpage showing information about p3a (Privacy Preserving Analytics)")
   }
 }
 
@@ -980,7 +1004,7 @@ extension Strings {
   public static let HTTPSEverywhere = NSLocalizedString("HTTPSEverywhere", tableName: "BraveShared", bundle: .module, value: "Upgrade Connections to HTTPS", comment: "")
   public static let HTTPSEverywhereDescription = NSLocalizedString("HTTPSEverywhereDescription", tableName: "BraveShared", bundle: .module, value: "Opens sites using secure HTTPS instead of HTTP when possible.", comment: "")
   public static let blockPhishingAndMalware = NSLocalizedString("BlockPhishingAndMalware", tableName: "BraveShared", bundle: .module, value: "Block Phishing and Malware", comment: "")
-  public static let googleSafeBrowsing = NSLocalizedString("GoogleSafeBrowsing", tableName: "BraveShared", bundle: .module, value: "Block dangerous sites", comment: "")
+  public static let googleSafeBrowsing = NSLocalizedString("GoogleSafeBrowsing", tableName: "BraveShared", bundle: .module, value: "Block Dangerous Sites", comment: "")
   public static let googleSafeBrowsingUsingWebKitDescription = NSLocalizedString("GoogleSafeBrowsingUsingWebKitDescription", tableName: "BraveShared", bundle: .module, value: "Sends obfuscated URLs of some pages you visit to the Google Safe Browsing service, when your security is at risk.", comment: "")
   public static let contentFiltering = NSLocalizedString("ContentFiltering", tableName: "BraveShared", bundle: .module, value: "Content Filtering", comment: "A title to the content filtering page under global shield settings and the title on the Content filtering page")
   public static let blockMobileAnnoyances = NSLocalizedString("blockMobileAnnoyances", tableName: "BraveShared", bundle: .module, value: "Block 'Switch to App' Notices", comment: "A title for setting which blocks 'switch to app' popups")
@@ -4093,6 +4117,21 @@ extension Strings {
   }
 }
 
+// P3A
+extension Strings {
+  public struct P3A {
+    public static let settingTitle = NSLocalizedString(
+      "p3a.settingTitle", tableName: "BraveShared", bundle: .module,
+      value: "Product Analytics",
+      comment: "The title for the setting that will allow a user to toggle sending privacy preserving analytics to Brave.")
+    
+    public static let settingSubtitle = NSLocalizedString(
+      "p3a.settingSubtitle", tableName: "BraveShared", bundle: .module,
+      value: "Share anonymous, private product insights. This helps us learn what Brave features are used most often.",
+      comment: "A subtitle shown on the setting that toggles analytics on Brave.")
+  }
+}
+
 // Page Zoom
 extension Strings {
   public struct PageZoom {
diff --git a/Sources/BraveShared/BraveUX.swift b/Sources/BraveShared/BraveUX.swift
index 3efc5f25b19..b23f2db51fd 100644
--- a/Sources/BraveShared/BraveUX.swift
+++ b/Sources/BraveShared/BraveUX.swift
@@ -24,8 +24,7 @@ public struct BraveUX {
   public static let ntpTutorialPageURL = URL(string: "https://brave.com/ja/ntp-tutorial")
   public static let privacyReportsURL = URL(string: "https://brave.com/privacy-features/")!
   public static let braveWalletNetworkLearnMoreURL = URL(string: "https://support.brave.com")!
-
-  public static let textFieldCornerRadius: CGFloat = 8.0
+  public static let braveP3ALearnMoreURL = URL(string: "https://support.brave.com/hc/en-us/articles/9140465918093-What-is-P3A-in-Brave-")!
 
   public static let faviconBorderColor = UIColor(white: 0, alpha: 0.2)
   public static let faviconBorderWidth = 1.0 / UIScreen.main.scale
diff --git a/Sources/BraveUI/UIKit/DataSourceExtensions.swift b/Sources/BraveUI/Extensions/DataSourceExtensions.swift
similarity index 100%
rename from Sources/BraveUI/UIKit/DataSourceExtensions.swift
rename to Sources/BraveUI/Extensions/DataSourceExtensions.swift
diff --git a/Sources/BraveUI/UIKit/UIViewExtensions.swift b/Sources/BraveUI/Extensions/UIViewExtensions.swift
similarity index 100%
rename from Sources/BraveUI/UIKit/UIViewExtensions.swift
rename to Sources/BraveUI/Extensions/UIViewExtensions.swift
diff --git a/Sources/Growth/DAU.swift b/Sources/Growth/DAU.swift
index b1f6c3c2210..3386a34741b 100644
--- a/Sources/Growth/DAU.swift
+++ b/Sources/Growth/DAU.swift
@@ -363,7 +363,7 @@ public class DAU {
 
 extension Date {
   /// Returns date of current week's monday in YYYY-MM-DD formatted String
-  var mondayOfCurrentWeekFormatted: String? {
+  public var mondayOfCurrentWeekFormatted: String? {
     // We look for a previous monday because Sunday is considered a beggining of a new week using default gregorian calendar.
     // For example if today is Sunday, the next Monday using Calendar would be the day after Sunday which is wrong.
     // That's why backward search may sound counter intuitive.
diff --git a/Sources/Onboarding/OnboardingPreferences.swift b/Sources/Onboarding/OnboardingPreferences.swift
index 94ee9159173..eb0239f5ff5 100644
--- a/Sources/Onboarding/OnboardingPreferences.swift
+++ b/Sources/Onboarding/OnboardingPreferences.swift
@@ -15,11 +15,72 @@ extension Preferences {
     public static let basicOnboardingCompleted = Option<Int>(
       key: "general.basic-onboarding-completed",
       default: OnboardingState.undetermined.rawValue)
+    
     /// The time until the next on-boarding shows
     public static let basicOnboardingDefaultBrowserSelected = Option<Bool>(
       key: "general.basic-onboarding-default-browser-selected",
       default: false)
+    
     /// The progress the user has made with onboarding
-    public static let basicOnboardingProgress = Option<Int>(key: "general.basic-onboarding-progress", default: OnboardingProgress.none.rawValue)
+    public static let basicOnboardingProgress = Option<Int>(
+      key: "general.basic-onboarding-progress",
+      default: OnboardingProgress.none.rawValue)
+    
+    /// The bool detemining if p3a infomartion is shown in onboarding to a user so they will not see it again as pop-over
+    public static let p3aOnboardingShown = Option<Bool>(
+      key: "onboarding.basic-onboarding-default-browser-selected",
+      default: false)
+    
+    /// Whether this is a new user who installed the application after onboarding retention updates
+    public static let isNewRetentionUser = Option<Bool?>(key: "general.new-retention", default: nil)
+  }
+}
+
+extension Preferences {
+  public final class FullScreenCallout {
+    /// Whether the block cookie consent notices callout is shown.
+    public static let blockCookieConsentNoticesCalloutCompleted = Option<Bool>(
+      key: "fullScreenCallout.full-screen-cookie-consent-notices-callout-completed",
+      default: false)
+    
+    /// Whether the vpn callout is shown.
+    public static let vpnCalloutCompleted = Option<Bool>(
+      key: "fullScreenCallout.full-screen-vpn-callout-completed",
+      default: false)
+    
+    /// Whether the rewards callout is shown.
+    public static let rewardsCalloutCompleted = Option<Bool>(
+      key: "fullScreenCallout.full-screen-rewards-callout-completed",
+      default: false)
+    
+    /// Whether the whats new callout should be shown.
+    public static let whatsNewCalloutOptIn = Option<Bool>(
+      key: "fullScreenCallout.full-screen-whats-new-callout-completed",
+      default: false)
+    
+    /// Whether the ntp callout is shown.
+    public static let ntpCalloutCompleted = Option<Bool>(
+      key: "fullScreenCallout.full-screen-ntp-callout-completed",
+      default: false)
+    
+    /// Whether the omnibox callout is shown.
+    public static let omniboxCalloutCompleted = Option<Bool>(
+      key: "fullScreenCallout.full-screen-omnibox-callout-completed",
+      default: false)
+  }
+}
+
+extension Preferences {
+  public final class DefaultBrowserIntro {
+    /// Whether the default browser onboarding completed. This can happen by opening app settings or after the user
+    /// dismissed the intro screen enough amount of times.
+    public static let completed = Option<Bool>(
+      key: "defaultBrowserIntro.intro-completed",
+      default: false)
+    
+    /// Whether system notification showed or not
+    public static let defaultBrowserNotificationScheduled = Option<Bool>(
+      key: "general.default-browser-notification-scheduled",
+      default: false)
   }
 }
diff --git a/Sources/Onboarding/ProductNotifications/BlockedAdsStackView.swift b/Sources/Onboarding/ProductNotifications/BlockedAdsStackView.swift
new file mode 100644
index 00000000000..13b07ecf39e
--- /dev/null
+++ b/Sources/Onboarding/ProductNotifications/BlockedAdsStackView.swift
@@ -0,0 +1,46 @@
+// Copyright 2022 The Brave Authors. All rights reserved.
+// This Source Code Form is subject to the terms of the Mozilla Public
+// License, v. 2.0. If a copy of the MPL was not distributed with this
+// file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+import Foundation
+import UIKit
+import SnapKit
+import BraveUI
+import DesignSystem
+import BraveShared
+import Shared
+
+class BlockedAdsStackView: UIStackView {
+
+  init(edgeInsets: UIEdgeInsets, spacing: CGFloat? = 0) {
+    super.init(frame: .zero)
+    if let spacing = spacing {
+      self.spacing = spacing
+    }
+    
+    alignment = .center
+    layoutMargins = edgeInsets
+    isLayoutMarginsRelativeArrangement = true
+  }
+
+  @available(*, unavailable)
+  required init(coder: NSCoder) {
+    fatalError()
+  }
+
+  /// Adds Background to StackView with Color and Corner Radius
+  public func addBackground(color: UIColor, cornerRadius: CGFloat? = nil) {
+    let backgroundView = UIView(frame: bounds).then {
+      $0.backgroundColor = color
+      $0.autoresizingMask = [.flexibleWidth, .flexibleHeight]
+    }
+
+    if let radius = cornerRadius {
+      backgroundView.layer.cornerRadius = radius
+      backgroundView.layer.cornerCurve = .continuous
+    }
+
+    insertSubview(backgroundView, at: 0)
+  }
+}
diff --git a/Client/Frontend/Browser/FullScreenCalloutManager.swift b/Sources/Onboarding/ProductNotifications/Resources/FullScreenCalloutManager.swift
similarity index 60%
rename from Client/Frontend/Browser/FullScreenCalloutManager.swift
rename to Sources/Onboarding/ProductNotifications/Resources/FullScreenCalloutManager.swift
index 4aa7afed1ac..f2f21116b9d 100644
--- a/Client/Frontend/Browser/FullScreenCalloutManager.swift
+++ b/Sources/Onboarding/ProductNotifications/Resources/FullScreenCalloutManager.swift
@@ -8,36 +8,43 @@ import Shared
 import BraveShared
 import Growth
 
-struct FullScreenCalloutManager {
+public struct FullScreenCalloutManager {
 
-  enum FullScreenCalloutType {
-    case vpn, rewards, defaultBrowser, blockCookieConsentNotices
+  public enum FullScreenCalloutType {
+    case p3a, vpn, rewards, defaultBrowser, blockCookieConsentNotices
 
     /// The number of days passed to show certain type of callout
     var period: Int {
       switch self {
-      case .blockCookieConsentNotices: return 0
+      case .p3a: return 0
       case .vpn: return 4
       case .rewards: return 8
       case .defaultBrowser: return 10
+      case .blockCookieConsentNotices: return 0
       }
     }
 
     /// The preference value stored for complete state
-    var preferenceValue: Preferences.Option<Bool> {
+    public var preferenceValue: Preferences.Option<Bool> {
       switch self {
-      case .blockCookieConsentNotices: return Preferences.FullScreenCallout.blockCookieConsentNoticesCalloutCompleted
-      case .vpn: return Preferences.FullScreenCallout.vpnCalloutCompleted
-      case .rewards: return Preferences.FullScreenCallout.rewardsCalloutCompleted
-      case .defaultBrowser: return Preferences.DefaultBrowserIntro.completed
+      case .p3a:
+        return Preferences.Onboarding.p3aOnboardingShown
+      case .vpn:
+        return Preferences.FullScreenCallout.vpnCalloutCompleted
+      case .rewards:
+        return Preferences.FullScreenCallout.rewardsCalloutCompleted
+      case .defaultBrowser:
+        return Preferences.DefaultBrowserIntro.completed
+      case .blockCookieConsentNotices:
+        return Preferences.FullScreenCallout.blockCookieConsentNoticesCalloutCompleted
       }
     }
   }
 
   /// It determines whether we should show show the designated callout or not and sets corresponding preferences accordingly.
   /// Returns true if the callout should be shown.
-  static func shouldShowDefaultBrowserCallout(calloutType: FullScreenCalloutType) -> Bool {
-    guard Preferences.General.isNewRetentionUser.value == true,
+  public static func shouldShowDefaultBrowserCallout(calloutType: FullScreenCalloutType) -> Bool {
+    guard Preferences.Onboarding.isNewRetentionUser.value == true,
       let appRetentionLaunchDate = Preferences.DAU.appRetentionLaunchDate.value,
       !calloutType.preferenceValue.value
     else {
diff --git a/Sources/Onboarding/ProductNotifications/blocking-summary.json b/Sources/Onboarding/ProductNotifications/Resources/blocking-summary.json
similarity index 100%
rename from Sources/Onboarding/ProductNotifications/blocking-summary.json
rename to Sources/Onboarding/ProductNotifications/Resources/blocking-summary.json
diff --git a/Sources/Onboarding/Welcome/Welcome3PAViewController.swift b/Sources/Onboarding/Welcome/Welcome3PAViewController.swift
new file mode 100644
index 00000000000..865a91a8693
--- /dev/null
+++ b/Sources/Onboarding/Welcome/Welcome3PAViewController.swift
@@ -0,0 +1,51 @@
+// Copyright 2022 The Brave Authors. All rights reserved.
+// This Source Code Form is subject to the terms of the Mozilla Public
+// License, v. 2.0. If a copy of the MPL was not distributed with this
+// file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+import UIKit
+import Shared
+import BraveShared
+import BraveUI
+import BraveCore
+
+public class Welcome3PAViewController: UIViewController {
+
+  private let contentView = WelcomeViewCallout().then {
+    $0.isBottomArrowHidden = true
+  }
+  
+  public override func viewDidLoad() {
+    super.viewDidLoad()
+
+    let backgroundView = UIView().then {
+      $0.backgroundColor = UIColor.black.withAlphaComponent(0.3)
+    }
+
+    view.addSubview(backgroundView)
+    backgroundView.snp.makeConstraints { $0.edges.equalToSuperview() }
+
+    view.addSubview(contentView)
+    contentView.snp.makeConstraints {
+      if traitCollection.verticalSizeClass == .regular
+          && traitCollection.horizontalSizeClass == .compact {
+        $0.leading.trailing.greaterThanOrEqualTo(view)
+      } else {
+        $0.width.lessThanOrEqualTo(BraveUX.baseDimensionValue)
+      }
+
+      $0.centerX.centerY.equalToSuperview()
+    }
+
+    let tapGesture = UITapGestureRecognizer(target: self, action: #selector(backgroundTapped))
+    backgroundView.addGestureRecognizer(tapGesture)
+  }
+
+  @objc func backgroundTapped() {
+    dismiss(animated: false)
+  }
+
+  public func setLayoutState(state: WelcomeViewCalloutState) {
+    contentView.setState(state: state)
+  }
+}
diff --git a/Sources/Onboarding/Welcome/WelcomeActionToggle.swift b/Sources/Onboarding/Welcome/WelcomeActionToggle.swift
new file mode 100644
index 00000000000..a53273c7f81
--- /dev/null
+++ b/Sources/Onboarding/Welcome/WelcomeActionToggle.swift
@@ -0,0 +1,91 @@
+// Copyright 2021 The Brave Authors. All rights reserved.
+// This Source Code Form is subject to the terms of the Mozilla Public
+// License, v. 2.0. If a copy of the MPL was not distributed with this
+// file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+import Foundation
+import UIKit
+import SnapKit
+import BraveUI
+import Shared
+import BraveShared
+
+class WelcomeShareActionToggle: BlockedAdsStackView {
+  
+  struct DesignDetails {
+    let defaultSpacing: CGFloat = 10
+    let defaultEdgeInset = UIEdgeInsets(equalInset: 15)
+    let defaultCorderRadius: CGFloat = 10
+    let defaultFont: UIFont = .preferredFont(for: .body, weight: .regular)
+  }
+  
+  var text: String? = "" {
+    didSet {
+      descriptionLabel.text = text
+    }
+  }
+    
+  var font: UIFont {
+    didSet {
+      descriptionLabel.font = font
+    }
+  }
+  
+  var isOn: Bool = true {
+    didSet {
+      shareToggle.isOn = isOn
+    }
+  }
+  
+  var onToggleChanged: ((Bool) -> Void)?
+  
+  private let descriptionLabel = UILabel().then {
+    $0.textColor = .bravePrimary
+    $0.textAlignment = .left
+    $0.numberOfLines = 0
+    $0.minimumScaleFactor = 0.5
+    $0.adjustsFontSizeToFitWidth = true
+    $0.setContentHuggingPriority(.defaultLow, for: .horizontal)
+    $0.setContentCompressionResistancePriority(.required, for: .horizontal)
+    $0.setContentHuggingPriority(.defaultLow, for: .vertical)
+    $0.setContentCompressionResistancePriority(.required, for: .vertical)
+  }
+  
+  private let iconView = UIImageView().then {
+    $0.contentMode = .scaleAspectFit
+    $0.image = UIImage(named: "welcome-view-ntp-logo", in: .module, compatibleWith: nil)
+    $0.snp.makeConstraints {
+      $0.size.equalTo(40)
+    }
+    $0.setContentHuggingPriority(.required, for: .horizontal)
+    $0.setContentCompressionResistancePriority(.required, for: .horizontal)
+  }
+  
+  private(set) lazy var shareToggle = UISwitch().then {
+    $0.addTarget(self, action: #selector(didToggleShare), for: .valueChanged)
+    $0.onTintColor = .braveBlurple
+    $0.setContentHuggingPriority(.required, for: .horizontal)
+    $0.setContentCompressionResistancePriority(.required, for: .horizontal)
+  }
+  
+  init(design: DesignDetails = DesignDetails()) {
+    self.font = design.defaultFont
+    super.init(edgeInsets: design.defaultEdgeInset, spacing: design.defaultSpacing)
+    
+    addBackground(color: .black.withAlphaComponent(0.025), cornerRadius: design.defaultCorderRadius)
+    
+    addStackViewItems(
+      .view(descriptionLabel),
+      .view(shareToggle)
+    )
+  }
+
+  @available(*, unavailable)
+  required init(coder: NSCoder) {
+    fatalError()
+  }
+  
+  @objc func didToggleShare(_ toggle: UISwitch) {
+    onToggleChanged?(toggle.isOn)
+  }
+}
diff --git a/Sources/Onboarding/Welcome/WelcomeBraveBlockedAdsController.swift b/Sources/Onboarding/Welcome/WelcomeBraveBlockedAdsController.swift
index 9d99d611fe9..7ee7557d1b1 100644
--- a/Sources/Onboarding/Welcome/WelcomeBraveBlockedAdsController.swift
+++ b/Sources/Onboarding/Welcome/WelcomeBraveBlockedAdsController.swift
@@ -154,42 +154,3 @@ public class WelcomeBraveBlockedAdsController: UIViewController, PopoverContentC
     )
   }
 }
-
-// MARK: - BlockedAdsStackView
-
-extension WelcomeBraveBlockedAdsController {
-
-  class BlockedAdsStackView: UIStackView {
-
-    init(edgeInsets: UIEdgeInsets, spacing: CGFloat? = 0) {
-      super.init(frame: .zero)
-      if let spacing = spacing {
-        self.spacing = spacing
-      }
-      
-      alignment = .center
-      layoutMargins = edgeInsets
-      isLayoutMarginsRelativeArrangement = true
-    }
-
-    @available(*, unavailable)
-    required init(coder: NSCoder) {
-      fatalError()
-    }
-
-    /// Adds Background to StackView with Color and Corner Radius
-    public func addBackground(color: UIColor, cornerRadius: CGFloat? = nil) {
-      let backgroundView = UIView(frame: bounds).then {
-        $0.backgroundColor = color
-        $0.autoresizingMask = [.flexibleWidth, .flexibleHeight]
-      }
-
-      if let radius = cornerRadius {
-        backgroundView.layer.cornerRadius = radius
-        backgroundView.layer.cornerCurve = .continuous
-      }
-
-      insertSubview(backgroundView, at: 0)
-    }
-  }
-}
diff --git a/Sources/Onboarding/Welcome/WelcomeViewCallout.swift b/Sources/Onboarding/Welcome/WelcomeViewCallout.swift
index 0f364a756c1..f22d2abbfb8 100644
--- a/Sources/Onboarding/Welcome/WelcomeViewCallout.swift
+++ b/Sources/Onboarding/Welcome/WelcomeViewCallout.swift
@@ -13,25 +13,40 @@ import BraveShared
 public enum WelcomeViewCalloutState {
   public struct WelcomeViewDefaultBrowserDetails {
     var title: String
+    var toggleTitle: String?
+    var toggleStatus: Bool
     var details: String
+    var linkDescription: String?
     var primaryButtonTitle: String
-    var secondaryButtonTitle: String
-    var primaryAction: (() -> Void)
-    var secondaryAction: (() -> Void)
-    
+    var secondaryButtonTitle: String?
+    var toggleAction: ((Bool) -> Void)?
+    var linkAction: ((URL) -> Void)?
+    var primaryButtonAction: (() -> Void)
+    var secondaryButtonAction: (() -> Void)?
+
     public init(
       title: String,
+      toggleTitle: String? = nil,
+      toggleStatus: Bool = true,
       details: String,
+      linkDescription: String? = nil,
       primaryButtonTitle: String,
-      secondaryButtonTitle: String,
-      primaryAction: @escaping () -> Void,
-      secondaryAction: @escaping () -> Void) {
-      self.title = title
-      self.details = details
-      self.primaryButtonTitle = primaryButtonTitle
-      self.secondaryButtonTitle = secondaryButtonTitle
-      self.primaryAction = primaryAction
-      self.secondaryAction = secondaryAction
+      secondaryButtonTitle: String? = nil,
+      toggleAction: ((Bool) -> Void)? = nil,
+      linkAction: ((URL) -> Void)? = nil,
+      primaryButtonAction: @escaping () -> Void,
+      secondaryButtonAction: (() -> Void)? = nil) {
+        self.title = title
+        self.toggleTitle = toggleTitle
+        self.toggleStatus = toggleStatus
+        self.details = details
+        self.linkDescription = linkDescription
+        self.primaryButtonTitle = primaryButtonTitle
+        self.secondaryButtonTitle = secondaryButtonTitle
+        self.toggleAction = toggleAction
+        self.linkAction = linkAction
+        self.primaryButtonAction = primaryButtonAction
+        self.secondaryButtonAction = secondaryButtonAction
     }
   }
 
@@ -39,6 +54,7 @@ public enum WelcomeViewCalloutState {
   case welcome(title: String)
   case defaultBrowser(info: WelcomeViewDefaultBrowserDetails)
   case settings(title: String, details: String)
+  case p3a(info: WelcomeViewDefaultBrowserDetails)
   case defaultBrowserCallout(info: WelcomeViewDefaultBrowserDetails)
 }
 
@@ -74,6 +90,8 @@ class WelcomeViewCallout: UIView {
     $0.setContentHuggingPriority(.required, for: .horizontal)
     $0.setContentCompressionResistancePriority(.required, for: .horizontal)
   }
+  
+  private let actionToggle = WelcomeShareActionToggle()
 
   private let detailsLabel = UILabel().then {
     $0.textColor = .bravePrimary
@@ -85,6 +103,16 @@ class WelcomeViewCallout: UIView {
     $0.setContentHuggingPriority(.required, for: .horizontal)
     $0.setContentCompressionResistancePriority(.required, for: .horizontal)
   }
+  
+  private let actionDescriptionLabel = LinkLabel().then {
+    $0.textColor = .bravePrimary
+    $0.textAlignment = .left
+    $0.textContainer.lineFragmentPadding = 0
+    $0.textContainerInset = .zero
+    $0.setContentCompressionResistancePriority(.defaultLow, for: .vertical)
+    $0.setContentHuggingPriority(.required, for: .horizontal)
+    $0.setContentCompressionResistancePriority(.required, for: .horizontal)
+  }
 
   private let primaryButton = RoundInterfaceButton(type: .custom).then {
     $0.setTitleColor(.white, for: .normal)
@@ -125,14 +153,19 @@ class WelcomeViewCallout: UIView {
   private var verticalLayoutMargin = UX.verticalLayoutMargin
   private var horizontalLayoutMargin = UX.horizontalLayoutMargin
 
-  // MARK: - State
   private(set) var state: WelcomeViewCalloutState?
+  
+  var isBottomArrowHidden: Bool = false {
+    didSet {
+      arrowView.isHidden = isBottomArrowHidden
+    }
+  }
 
   init() {
     super.init(frame: .zero)
     doLayout()
 
-    [titleLabel, detailsLabel, primaryButton, secondaryButtonContentView].forEach {
+    [titleLabel, actionToggle, detailsLabel, actionDescriptionLabel, primaryButton, secondaryButtonContentView].forEach {
       contentStackView.addArrangedSubview($0)
 
       $0.alpha = 0.0
@@ -150,7 +183,7 @@ class WelcomeViewCallout: UIView {
       secondaryButtonContentView.addArrangedSubview($0)
     }
 
-    [titleLabel, detailsLabel].forEach {
+    [titleLabel, actionToggle, detailsLabel, actionDescriptionLabel].forEach {
       $0.contentMode = .top
     }
     
@@ -303,7 +336,7 @@ class WelcomeViewCallout: UIView {
           UIAction(
             identifier: .init(rawValue: "primary.action"),
             handler: { _ in
-              info.primaryAction()
+              info.primaryButtonAction()
             }), for: .touchUpInside)
         $0.alpha = 1.0
         $0.isHidden = false
@@ -321,7 +354,7 @@ class WelcomeViewCallout: UIView {
           UIAction(
             identifier: .init(rawValue: "secondary.action"),
             handler: { _ in
-              info.secondaryAction()
+              info.secondaryButtonAction?()
             }), for: .touchUpInside)
         $0.alpha = 1.0
         $0.isHidden = false
@@ -382,6 +415,79 @@ class WelcomeViewCallout: UIView {
       }
       
       contentStackView.setCustomSpacing(20.0, after: titleLabel)
+    case .p3a(let info):
+      contentStackView.do {
+        $0.layoutMargins = UIEdgeInsets(top: 2 * verticalLayoutMargin, left: 30, bottom: verticalLayoutMargin, right: 30)
+      }
+      titleLabel.do {
+        $0.text = info.title
+        $0.textAlignment = .left
+        $0.textColor = .bravePrimary
+        $0.font = .preferredFont(for: .title3, weight: .bold)
+        $0.alpha = 1.0
+        $0.isHidden = false
+      }
+      
+      actionToggle.do {
+        $0.text = info.toggleTitle
+        $0.font = .preferredFont(for: .body, weight: .regular)
+        $0.isOn = info.toggleStatus
+        $0.onToggleChanged = info.toggleAction
+        $0.alpha = 1.0
+        $0.isHidden = false
+      }
+
+      detailsLabel.do {
+        $0.text = info.details
+        $0.font = .preferredFont(for: .footnote, weight: .regular)
+        $0.alpha = 1.0
+        $0.isHidden = false
+      }
+      
+      actionDescriptionLabel.do {
+        $0.font = .preferredFont(for: .footnote, weight: .regular)
+        $0.onLinkedTapped = info.linkAction
+        if let linkDescription = info.linkDescription {
+          $0.text = String(format: linkDescription)
+          $0.setURLInfo([linkDescription: "p3a"])
+        }
+        $0.alpha = 1.0
+        $0.isHidden = false
+      }
+      
+      primaryButton.do {
+        $0.setTitle(info.primaryButtonTitle, for: .normal)
+        $0.titleLabel?.font = .preferredFont(for: .body, weight: .regular)
+        $0.addAction(
+          UIAction(
+            identifier: .init(rawValue: "primary.action"),
+            handler: { _ in
+              info.primaryButtonAction()
+            }), for: .touchUpInside)
+        $0.alpha = 1.0
+        $0.isHidden = false
+      }
+
+      secondaryLabel.do {
+        $0.alpha = 0.0
+        $0.isHidden = true
+      }
+
+      secondaryButton.do {
+        $0.alpha = 0.0
+        $0.isHidden = true
+      }
+
+      secondaryButtonContentView.do {
+        $0.alpha = 0.0
+        $0.isHidden = true
+      }
+
+      contentStackView.setCustomSpacing(horizontalLayoutMargin, after: titleLabel)
+      contentStackView.setCustomSpacing(horizontalLayoutMargin, after: actionToggle)
+      contentStackView.setCustomSpacing(horizontalLayoutMargin, after: detailsLabel)
+      contentStackView.setCustomSpacing(3 * horizontalLayoutMargin, after: actionDescriptionLabel)
+      contentStackView.setCustomSpacing(horizontalLayoutMargin, after: primaryButton)
     case .defaultBrowserCallout(let info):
       contentStackView.do {
         $0.layoutMargins = UIEdgeInsets(top: 2 * UX.verticalLayoutMargin, left: 20, bottom: UX.verticalLayoutMargin, right: 20)
@@ -409,7 +515,7 @@ class WelcomeViewCallout: UIView {
           UIAction(
             identifier: .init(rawValue: "primary.action"),
             handler: { _ in
-              info.primaryAction()
+              info.primaryButtonAction()
             }), for: .touchUpInside)
         $0.alpha = 1.0
         $0.isHidden = false
@@ -433,7 +539,7 @@ class WelcomeViewCallout: UIView {
           UIAction(
             identifier: .init(rawValue: "secondary.action"),
             handler: { _ in
-              info.secondaryAction()
+              info.secondaryButtonAction?()
             }), for: .touchUpInside)
         $0.alpha = 1.0
         $0.isHidden = false
diff --git a/Sources/Onboarding/Welcome/WelcomeViewController.swift b/Sources/Onboarding/Welcome/WelcomeViewController.swift
index eeb892dc66b..b9f20c33fe7 100644
--- a/Sources/Onboarding/Welcome/WelcomeViewController.swift
+++ b/Sources/Onboarding/Welcome/WelcomeViewController.swift
@@ -8,6 +8,9 @@ import UIKit
 import SnapKit
 import BraveShared
 import Shared
+import BraveCore
+import BraveUI
+import SafariServices
 
 private enum WelcomeViewID: Int {
   case background = 1
@@ -22,13 +25,15 @@ private enum WelcomeViewID: Int {
 
 public class WelcomeViewController: UIViewController {
   private var state: WelcomeViewCalloutState?
+  private let p3aUtilities: BraveP3AUtils
 
-  public convenience init() {
-    self.init(state: .loading)
+  public convenience init(p3aUtilities: BraveP3AUtils) {
+    self.init(state: .loading, p3aUtilities: p3aUtilities)
   }
 
-  public init(state: WelcomeViewCalloutState?) {
+  public init(state: WelcomeViewCalloutState?, p3aUtilities: BraveP3AUtils) {
     self.state = state
+    self.p3aUtilities = p3aUtilities
     super.init(nibName: nil, bundle: nil)
     
     self.transitioningDelegate = self
@@ -196,7 +201,7 @@ public class WelcomeViewController: UIViewController {
     }
   }
 
-  private func setLayoutState(state: WelcomeViewCalloutState) {
+  public func setLayoutState(state: WelcomeViewCalloutState) {
     self.state = state
 
     switch state {
@@ -261,7 +266,7 @@ public class WelcomeViewController: UIViewController {
         $0.height.equalTo(180.0)
       }
       calloutView.setState(state: state)
-    case .settings:
+    case .p3a, .settings:
       let topTransform = { () -> CGAffineTransform in
         var transformation = CGAffineTransform.identity
         transformation = transformation.scaledBy(x: 1.5, y: 1.5)
@@ -284,7 +289,6 @@ public class WelcomeViewController: UIViewController {
         $0.height.equalTo(180.0)
       }
       calloutView.setState(state: state)
-      
     case .defaultBrowserCallout:
       let topTransform = { () -> CGAffineTransform in
         var transformation = CGAffineTransform.identity
@@ -313,25 +317,25 @@ public class WelcomeViewController: UIViewController {
   }
 
   private func animateToWelcomeState() {
-    let nextController = WelcomeViewController(state: nil).then {
+    let nextController = WelcomeViewController(state: nil, p3aUtilities: self.p3aUtilities).then {
         $0.setLayoutState(state: WelcomeViewCalloutState.welcome(title: Strings.Onboarding.welcomeScreenTitle))
       }
     present(nextController, animated: true)
   }
 
   private func animateToDefaultBrowserState() {
-    let nextController = WelcomeViewController(state: nil)
+    let nextController = WelcomeViewController(state: nil, p3aUtilities: self.p3aUtilities)
     let state = WelcomeViewCalloutState.defaultBrowser(
       info: WelcomeViewCalloutState.WelcomeViewDefaultBrowserDetails(
         title: Strings.Callout.defaultBrowserCalloutTitle,
         details: Strings.Callout.defaultBrowserCalloutDescription,
         primaryButtonTitle: Strings.Callout.defaultBrowserCalloutPrimaryButtonTitle,
         secondaryButtonTitle: Strings.DefaultBrowserCallout.introSkipButtonText,
-        primaryAction: {
+        primaryButtonAction: {
           nextController.animateToDefaultSettingsState()
         },
-        secondaryAction: {
-          self.close()
+        secondaryButtonAction: {
+          nextController.animateToP3aState()
         }
       )
     )
@@ -340,7 +344,7 @@ public class WelcomeViewController: UIViewController {
   }
   
   private func animateToDefaultSettingsState() {
-    let nextController = WelcomeViewController(state: nil).then {
+    let nextController = WelcomeViewController(state: nil, p3aUtilities: self.p3aUtilities).then {
         $0.setLayoutState(
           state: WelcomeViewCalloutState.settings(
             title: Strings.Onboarding.navigateSettingsOnboardingScreenTitle,
@@ -351,13 +355,47 @@ public class WelcomeViewController: UIViewController {
       Preferences.Onboarding.basicOnboardingDefaultBrowserSelected.value = true
     }
   }
+  
+  private func animateToP3aState() {
+    let nextController = WelcomeViewController(state: nil, p3aUtilities: self.p3aUtilities)
+    let state = WelcomeViewCalloutState.p3a(
+      info: WelcomeViewCalloutState.WelcomeViewDefaultBrowserDetails(
+        title: Strings.Callout.p3aCalloutTitle,
+        toggleTitle: Strings.Callout.p3aCalloutToggleTitle,
+        details: Strings.Callout.p3aCalloutDescription,
+        linkDescription: Strings.Callout.p3aCalloutLinkTitle,
+        primaryButtonTitle: Strings.done,
+        toggleAction: { [weak self] isOn in
+          self?.p3aUtilities.isP3AEnabled = isOn
+        },
+        linkAction: { url in
+          let p3aLearnMoreController = SFSafariViewController(url: BraveUX.braveP3ALearnMoreURL, configuration: .init())
+          p3aLearnMoreController.modalPresentationStyle = .currentContext
+          
+          nextController.present(p3aLearnMoreController, animated: true)
+        },
+        
+        primaryButtonAction: { [weak self] in
+          self?.close()
+        }
+      )
+    )
+   
+    nextController.setLayoutState(state: state)
+    
+    present(nextController, animated: true) { [unowned self] in
+      self.p3aUtilities.isNoticeAcknowledged = true
+      Preferences.Onboarding.p3aOnboardingShown.value = true
+    }
+  }
 
   private func onSetDefaultBrowser() {
     guard let settingsUrl = URL(string: UIApplication.openSettingsURLString) else {
       return
     }
     UIApplication.shared.open(settingsUrl)
-    self.close()
+    
+    animateToP3aState()
   }
 
   private func close() {