I'm a gamer and I have Windows 8.1.Am I going to have any problem if I install Windows 10?And should I wait until a "big" update for W10 is released to install it?
Windows 10 had it's first "big update" several weeks back. I was on the fence at first from going W7>W10...but it's been smooth sailing for me. I'd just recommend that you disable automatic driver updates...as this gunks VGA drivers in my experience.
As far as performance goes, the benchmarks ive seen dont show much improvement between W7>W8>W10.