Steam OS is officially exclusive to the Steam Deck, but that will change thanks to a new "cost-effective" handheld coming soon.
How to install Windows on Steam Deck - Reviewed
Steam Deck review -- My favorite gaming PC ever made
Valve Says SteamOS 3.0 Will Be Available for Everyone to Download and Install - 9to5Linux
The Steam Deck Wasn't For Me, And Neither Is PC Gaming
Valve Steam Deck wows reviewers: 'The most innovative gaming PC in 20 years
Valve's upcoming Steam Deck will be based on Arch Linux—not Debian
SteamOS 3.4 is out now for Steam Deck (updated)
How to install SteamOS on Steam Deck
Running the Steam Deck's OS in a virtual machine using QEMU
Steam Deck review
With the Steam Deck OLED and its awesome rivals, Valve see a bright future for handheld PCs
Steam Deck Hands-On: PC Gaming in My Hands
Steam Deck Review: This Handheld Gaming PC Surprised Me, in Ways Both Good and Bad - CNET