- Download the latest realease here : https://github.com/tomdexp/OpenUPM-UI/releases/latest
- Extract folder
- Execute "Easy OpenUPM Installer.exe"
- Search for a package URL on OpenUPM website : https://openupm.com/packages
- Paste the URL in the input field
- Click on the "Check URL" button to retrieve the package
- Select your Unity Project Folder by clicking on "Select Folder" (it must be the root folder of your project)
- Click on "Install"