There's a bit of drama going on with the popular game manager Lutris right now, with users pointing out the developer using AI generated code via Claude.
Steam for literally everything else: add the .exe as a non-Steam game, find it in your library, go into its properties, set Compatibility > Force Compatibility Mode > Proton Experimental.
Again, Steam does a fine job of that. Add the installer as a non-Steam game, set compatibility, “play” it, then when it’s finished change the shortcut to point to the actual game.
Heroic and Steam.
Heroic for GOG and Epic games.
Steam for literally everything else: add the .exe as a non-Steam game, find it in your library, go into its properties, set Compatibility > Force Compatibility Mode > Proton Experimental.
Heroic can add games to Steam for you.
I liked Lutris for Battle.net games like Diablo.
Again, Steam does a fine job of that. Add the installer as a non-Steam game, set compatibility, “play” it, then when it’s finished change the shortcut to point to the actual game.
How-to guide: https://www.gamingonlinux.com/guides/view/how-to-install-battle-net-on-linux-steamos-and-steam-deck-for-world-of-warcraft-and-starcraft/#steam