ChenWeihuasBurner [they/them]

This makes me miss when the US Army account would stream WoW raids on Twitch and people would post "WORLD OF WAR CRIMES PogChamp"

As the other commenter said, definitely look into Linux. Linux can run on aging hardware pretty well. If you're partial to the layout and UI of MacOS check out Elementary OS. I've never used it before but I have heard some good things about it.