Windows 11 is just needlessly slower than Windows 10 for no reason. I don't like the idea of switching to an even slower OS. Time for me to switch to Linux as their primary OS.
If gaming is the primary thing you are going to do on it and everything else secondary. I can be helpfully unhelpful. There are a number of distributions based around valves steam OS. Which is at its core. Is what's running on the steam deck. Not 100%. But very close. They will give you a very similar experience and feel to the steam deck. Only allow you much more hardware choice and larger displays. So I
I've been running MX Linux four a few years mostly for playing games and I've had great success with only one game that caused issues, and one that wouldn't play due to anti-cheat software.
Just enable the high end hardware repos on install if it's a newer system and use proton for minimal hassle.