My aunt pulled a Windows XP computer out of storage recently because she's sick of Win 11. I'm excited to hear updates from my cousin (though unfortunately, I have to expect this experiment will fail)
edit: sigh, HN's dogshit rate limit mechanism impedes meaningful conversation yet again. It's dangerous to go alone, take this: https://www.pcworld.com/article/2413170/why-you-should-never...
Production facilities, water treatment plants, power plants, etc... (wish I was joking)