@driftini for the most part you just need steam or heroic launcher if you have stuff on epic games. most things should just work but you can check with protondb.com . the main exception to that is most games with anti cheat. some games with anti cheat support proton but that could be taken away at any time with no notice because that's how those games are. feral gamemode could help your performance in some games, protonup-qt is nice on the off chance you need a custom proton version. if you play minecraft, prism launcher is quite convenient.