I had windows 7, when 10 came out. When it downloaded it ruined my system soo bad, I had to go buy a new computer, 2 lap tops and had to implement new protocols to prevent windows from automatically adding system upgrades unless I wanted to. If a system comes out on a system I buy, I'm fine not upgrading. I do simple stuff, not tying to send a rocket to mars. Don't need stuff I don't plan on using.