I like all the various things I have saved on my PC i would not want to lose them

Then make sure you’re taking backups and follow the 3-2-1 backup strategy at minimum. Backblaze is a great option for Windows users to help with that, since it can back up your whole PC for a fixed cost each month.

There’s no reason to rush to start using Linux. If you’re interested, you can always dip your toes in with something like the Steam Deck or booting from a USB drive