Watch the video:
Timestamps:
0:00 - Intro/Explanation
0:44 - Mounting drives
1:38 - Allow Steam Flatpack access to game files
2:38 - Add existing Steam Library to Steam on Linux
3:40 - Add Steam games from existing Steam install on Windows
If you’re a gamer on Windows, dual booting (or moving to) Linux then you’re probably going to want to game on Linux. You don’t need to delete and redownload everything, in-fact, you can just play existing game files on Linux, and even go back to play them on Windows too! This video shows you how to mount and use existing Steam libraries.