MehBlah , 4 days ago

Don’t listen to people who mock you for asking a question. They are never the people whose advice is worth listening too. Start small. Get 8gb or bigger thumb drive. You can even use an external SSD. USB C would be the best. Follow the guide below or find a guide of your own. Start with Ubuntu. It isn’t perfect but it is the most popular distro out there. Be aware this installation is going to be laggy due to it being on a slower thumb drive. This will allow you to see that it just works. Games might be slower loading due to the thumb drive. I use steam daily and only have seen a few games I couldn’t play. Everyone was due to the ham-fisted drm the games had implemented.

itsfoss.com/ubuntu-persistent-live-usb/

Alternatively you can install a second hard drive in a PC and use both safely without fear of problems. I’ve been running linux as my daily driver for over ten years. I still have a windows installation that I can boot into if needed. Usually for firmware updates that only can be performed in windows. Currently I haven’t needed it in over a year.