2024 is the Year of Linux on the Desktop, at least for my boyfriend. He's running Windows 7 right now, so I'll be switching him to Ubuntu in a few days. Ubuntu was chosen because Proton is officially supported in Ubuntu.
I haven't asked why you wouldn't upgrade before, nor about the broken compatibility features included with Windows.
Direct your anger at the company causing your issues (Microsoft), not the one that hurt you because you couldn't figure out hardware acceleration with remote play.
Upgrade your windows install to a supported version and then use the mods to make the game work. Then you'll have windows 8 or 10 or 11 and a working game.