Are you unable to install games on GOG Galaxy? Several users have complained that when trying to install GOG games via the GOG Galaxy app, an Installation failed ...

After purchasing any game or other game content, it should appear in your Library or Store, and it will get automatically installed. So make sure that the game is in your Library or Microsoft Store.

To set this up, head to the Google Play Games website and download the app, then install the .exe file. Sign in with your Google account to carry over your existing profile and game library. From here ...