diff --git a/.circleci/config.yml b/.circleci/config.yml
index 0891134a47..5cd0fd0c0e 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -1,5 +1,8 @@
 version: 2.1
 
+orbs:
+  win: circleci/windows@1.0.0
+
 jobs:
   cmake_test:
     resource_class: xlarge
@@ -24,6 +27,13 @@ jobs:
       - run: ./ci/install_bazelisk.sh
       - run: ./ci/do_ci.sh bazel.test
 
+  windows:
+    executor: win/vs2019
+    steps:
+      - checkout
+      - run: ./ci/setup_windows_cmake.ps1
+      - run: ./ci/setup_windows_ci_environment.ps1
+      - run: ./ci/do_ci.ps1 cmake.test
 
 workflows:
   version: 2
@@ -31,3 +41,4 @@ workflows:
     jobs:
       - cmake_test
       - bazel_test
+      - windows
diff --git a/ci/do_ci.ps1 b/ci/do_ci.ps1
new file mode 100644
index 0000000000..585176c8fc
--- /dev/null
+++ b/ci/do_ci.ps1
@@ -0,0 +1,36 @@
+$ErrorActionPreference = "Stop";
+trap { $host.SetShouldExit(1) }
+
+$action = $args[0]
+
+$SRC_DIR=(Get-Item -Path ".\").FullName
+mkdir build
+$BUILD_DIR="$SRC_DIR\build"
+$VCPKG_DIR="$SRC_DIR\vcpkg"
+
+switch ($action) {
+  "cmake.test" {
+    cd "$BUILD_DIR"
+    cmake $SRC_DIR `
+          -DVCPKG_TARGET_TRIPLET=x64-windows `
+          "-DCMAKE_TOOLCHAIN_FILE=$VCPKG_DIR\scripts\buildsystems\vcpkg.cmake"
+    $exit = $LASTEXITCODE
+    if ($exit -ne 0) {
+      exit $exit
+    }
+    cmake --build .
+    $exit = $LASTEXITCODE
+    if ($exit -ne 0) {
+      exit $exit
+    }
+    ctest -C Debug
+    $exit = $LASTEXITCODE
+    if ($exit -ne 0) {
+      exit $exit
+    }
+  }
+  default {
+    echo "unknown action: $action"
+    exit 1
+  }
+}
diff --git a/ci/setup_windows_ci_environment.ps1 b/ci/setup_windows_ci_environment.ps1
new file mode 100755
index 0000000000..e9c2c51b09
--- /dev/null
+++ b/ci/setup_windows_ci_environment.ps1
@@ -0,0 +1,9 @@
+$ErrorActionPreference = "Stop"
+trap { $host.SetShouldExit(1) }
+
+git clone https://github.com/Microsoft/vcpkg.git
+cd vcpkg
+$VCPKG_DIR=(Get-Item -Path ".\").FullName
+./bootstrap-vcpkg.bat
+./vcpkg integrate install
+./vcpkg install gtest:x64-windows
diff --git a/ci/setup_windows_cmake.ps1 b/ci/setup_windows_cmake.ps1
new file mode 100755
index 0000000000..3248b4c722
--- /dev/null
+++ b/ci/setup_windows_cmake.ps1
@@ -0,0 +1,17 @@
+$ErrorActionPreference = "Stop"
+trap { $host.SetShouldExit(1) }
+
+$CMAKE_VERSION="3.15.2"
+$CWD=(Get-Item -Path ".\").FullName
+(new-object System.Net.WebClient). `
+   DownloadFile("https://github.com/Kitware/CMake/releases/download/v$CMAKE_VERSION/cmake-$CMAKE_VERSION-win64-x64.zip", `
+                "$CWD\cmake-$CMAKE_VERSION-win64-x64.zip")
+
+unzip cmake-$CMAKE_VERSION-win64-x64.zip
+
+$ENV:PATH="$ENV:PATH;$CWD\cmake-$CMAKE_VERSION-win64-x64\bin"
+cmake --help
+[Environment]::SetEnvironmentVariable(
+    "Path",
+        [Environment]::GetEnvironmentVariable("Path", [EnvironmentVariableTarget]::Machine) + ";$CWD\cmake-$CMAKE_VERSION-win64-x64\bin",
+            [EnvironmentVariableTarget]::Machine)