SteamOS will be coming to other handhelds before you can install it on your PC
 

“We’re hoping soon, though, it is very high on our list, and we want to make SteamOS more widely available. We’ll probably start with making it more available to other handhelds with a similar gamepad style controller. And then further beyond that, to more arbitrary devices. I think that the biggest thing is just, you know, driver support and making sure that it can work on whatever PC it happens to land on. Because right now, it’s very, very tuned for Steam Deck.”


https://www.osnews.com/story/137799/...it-on-your-pc/