SO, to debug some stuff, I was asked nicely by AMD support "try Windows lol"
and well, I tried
you can't create fucking local account anymore and I live in Russia, so guess what? "error occured" when I try to log into some stolen MS account
and, after I YANKED the fucking cord from my PC and redone installation without internet, I can log into OS
done usual PowerShell fuckery for activation, etc-etc, installed Radeon stuff... OH WAIT, MICROSOFT UPDATE ALREADY INSTALLED OLD ASS AND HALF FUCKED AMD VIDEO DRIVER TO FUCK WITH ME
remove MS version, install one from AMD website. sure.
...
...
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AND SOMETHING FEELS WEIRD
cause, Microsoft fucks with my mouse setting