SteamOS is a Linux distribution so you can install any Linux distribution (ubuntu, fedora, mint, …) and use proton. I would recommend that instead of SteamOS since it might be less stable. Check www.protondb.com for compatibility with games.
SteamOS is a Linux distribution so you can install any Linux distribution (ubuntu, fedora, mint, …) and use proton. I would recommend that instead of SteamOS since it might be less stable. Check www.protondb.com for compatibility with games.