Make the switch now! Gaming on Linux is really only getting better every year with much hard work from valve.
Outside of developers opting out pretty much every single game works out of the box. I value my limited leisure time and to be able to just jump on my computer and start playing without any annoying nags about windows updates or restart this and strange unexplainable issues.
Move all of your passwords and logins too!
There are still games you simply can't play on Linux, e.g. Valorant/LoL can't be played on Linux because of Riot Game's kernel-level anti-cheat. And as a highly addicted LoL player it's one of the only two reasons I still have Windows taking up 200GB of my precious hard drive space.
Someone in the Thief community was celebrating the Nightdive remaster announcement because it is apparently getting much harder with each passing year to install and run the Dark Engine games on Windows; meanwhile I've been doing this multiple times a year for about a decade with Lutris.