SteamOS is slowly becoming an alternative to Windows for handheld gaming devices. After launching the Steam Deck with SteamOS, its own operating system,

One of my favorite things to come out of CES 2025 was the spread of SteamOS to other PC gaming handhelds, namely a new version of Lenovo’s Legion Go. On the show floor, PCWorld’s Adam Patrick Murray got his handheld-loving hands all over both versions of the Legion Go S — one running SteamOS,

The Lenovo Legion Go S with Windows or SteamOS also joins a prototype for the Lenovo Go 2, now with controllers you can comfortably hold.

Lenovo Legion Go S pre-orders just went live at Best Buy, and you can now reserve the Windows 11 version for $729. There's no sign of the SteamOS model yet, which just so happens to the the handheld I'm most hyped for so far. However, if you'd rather embrace the versatility of Microsoft's PC operating system, this is the version for you.

Valve announced its new philosophy regarding SteamOS in a blog post today. Valve partnered with Lenovo for a “Powered By SteamOS” model of the upcoming handheld, and says that the company “is making updates to ensure [SteamOS] fully supports the Lenovo Legion Go S and provides the same seamless experience customers expect.”

Valve is making a notable shift with its portable gaming strategy as Lenovo debuted a new edition of its Legion Go

The SteamOS Legion Go S model is the most interesting of the two since it's the first non-Steam Deck handheld that utilizes Valve’s operating system. If you’ve read any of our handheld reviews, then you know Windows 11 has been a major sore spot for these systems since Microsoft’s OS doesn’t work well on these systems.

The Steam Deck might be amazing, but it's showing its age. Lenovo's new Legion Go S is here to duke it out at the $500 portable gaming price point.