Microsoft Edge - Webview2 Offline Installer

You can currently find the official WebView2 Evergreen Standalone Installer on the Microsoft Edge Developer site to handle standard offline deployment. Distribute your app and the WebView2 Runtime

Once you have the offline installer, you need to deploy it silently across a domain or via management tools like SCCM, Intune, or PDQ. microsoft edge webview2 offline installer

This is why the exists.

You accidentally downloaded the bootstrapper instead of the standalone offline installer. Solution: Verify the file size. If it is less than 10 MB, delete it and download the 150 MB standalone version. You can currently find the official WebView2 Evergreen

Evergreen vs. fixed version of the WebView2 Runtime - Microsoft Learn microsoft edge webview2 offline installer

After installation: