Ok, from what I gather, they want to play games with keyboard and mouse, and also don’t want to use windows any more. Steam OS is designed to be controller friendly and while desktop is nice and usable, Steam OS is probably not the best desktop distro out there. The obvious solution is to install any distro (Ubuntu, Mate, PopOS, even some gaming optimised ones), but yet they seem hung up on installing steam OS for whatever reason.
Ok, from what I gather, they want to play games with keyboard and mouse, and also don’t want to use windows any more. Steam OS is designed to be controller friendly and while desktop is nice and usable, Steam OS is probably not the best desktop distro out there. The obvious solution is to install any distro (Ubuntu, Mate, PopOS, even some gaming optimised ones), but yet they seem hung up on installing steam OS for whatever reason.