A:AnswerYou hold the FN key and then press the key with the light stamped on it. You can change speed to faster or slower. You can’t change the actual color it stays rgb.
A:AnswerDid you plug the WiFi usb in? Try using a WiFi extender if you can’t use ether cable. Cable is always recommended though. 200mbps also isn’t fast..
A:AnswerYes you can although windows 11 can give you better smoothness in games due to the fact that you computer up to date but yeah you can downgrade from 11 to 10