No don't upgrade!!. I presume you have a wireless keyboard and mouse. The best thing is to unplug the small USB antenna going into your computer and plug it back in. Or you can set your computer to go into sleep mode after 20 minutes or so of inactivity and then if you hit the keyboard it will reactivate. No reason to have to learn Windows 10 or try to get Windows 11 to work on an old computer which it won't do to the fact that you most probably do not have the correct software and hardware for their new anti-hacking procedures
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