I just saw somewhere else that NASA has a manual on exactly this -- apparently there's software running on satellites 30+ years without crashing Also those tal

I just saw somewhere else that NASA has a manual on exactly this -- apparently there's software running on satellites 30+ years without crashing Also those tales of C64s running HVAC systems for 30+ years. Aren't there German trains running Windows 3.1? I guess i am making an assumption that if it's lasted 30 years, it'll just keep going.