Microsoft Edge Webview2 Runtime Download Patched Offline Installer Link
Download the official offline installer from https://developer.microsoft.com/en-us/microsoft-edge/webview2/ (look for the "Evergreen Standalone Installer" link). Verify the checksum. Deploy with confidence.
But that is a landing page. To get the without clicking through menus, follow these steps:
This allows you to download a specific version of the runtime as a .cab package.