Some users have recently had their accounts hijacked. It seems that the now defunct EVGA forums might have compromised your password there and seems many are using the same PW here. We would suggest you UPDATE YOUR PASSWORD and TURN ON 2FA for your account here to further secure it. None of the compromised accounts had 2FA turned on.
Once you have enabled 2FA, your account will be updated soon to show a badge, letting other members know that you use 2FA to protect your account. This should be beneficial for everyone that uses FSFT.
First: you can no longer use wusa.exe to uninstall patches silently since Windows 8/Server 2016, so this is out of the question. You. Just. Can't. Do. It! Thanks Microsoft (for ingeniously deciding that parameters /quiet and /kb:kb123456 are illegal to use together). Sometimes wusa.exe will be...
If you wanted to uninstall Windows 10 from a computer and use another os but still have the option to reinstall windows 10 at a later date, what do you need to do before uninstalling to retrieve the cd key etc. (where the windows 10 install was an upgraded windows 7 retail). What's the simplest way?