Verify the integrity of the game files on Steam, Epic, GOG Galaxy, Ubisoft Connect, Battle.net, Origin, Rockstar Games Launcher by following this tutorial.

You should see the game begin validation of files—open Task Manager (Ctrl+Alt+Esc) and look at the Performance tab, and your network connection should show very little activity while your ...

Repeat this process on all your computers, so that whenever you start up the game—no matter what PC you're on—your game gets redirected to the files in your Dropbox folder.

Choose the This PC option from the Open File Explorer to drop down menu. As helpful as it may be to get File Explorer to display This PC by default, there is one more trick that I want to show you.