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

Lenovo is trying an experiment. In May, it will officially become the very first company outside of Valve to ship a handheld gaming PC with the Steam Deck’s wonderfully pick-up-and-play SteamOS instead of Microsoft Windows.

Lenovo's ordering page for the Windows 11 Legion Go S is still hanging out with a "coming soon" banner, but having the page itself is a step in the right direction. More good news is that many models of the new Lenovo Legion Go S will be more affordable compared to the $749.99 price of the current Lenovo Legion Go.

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

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.

SteamOS was always supposed to be bigger than Valve’s own Steam Deck, and 2025 is the year it finally expands. Not only will Lenovo ship the first third-party SteamOS handheld this May, Valve has now revealed it will let you install a working copy of SteamOS on other handhelds even sooner than that.

The Windows version of the Legion Go S is up for preorder ahead of its imminent release, while the SteamOS version is expected to arrive in May.

Acer joins the PC handheld market as Lenovo reveals a new Legion Go, but there’s only one PC gaming brand I’m looking for - and it still hasn’t shown its hand.

The Steam Deck launched in February 2022 and within months, it had changed the landscape of the video game industry and popularized the idea of handheld, portable gaming PCs. But the Steam Deck wasn’t powered by Windows as most gaming PCs are these days.