Lenovo Legion Go S is first officially licensed third-party PC handheld to use SteamOSConsole will launch in May for $499Image credit: Lenovo/Steam News by Sophie McEvoy Staff Writer Published on Jan. 8, 2025 The recently announced Lenovo Legion Go S is the first third-party PC handheld licensed to use Valve's SteamOS.In a blog post, Valve said the operating system that runs on Steam Deck has been updated to fully support the Legion Go S, a smaller version of Lenovo's Legion Go which launched in 2023.As reported by The Verge, the SteamOS Legion Go S will be released in May for $499. A Windows 11 version of the console will launch this month.Valve said it is also planning to expand the capabilities of SteamOS to other third party devices. It will be shipping a beta version of SteamOS for users to download and test.No timeframe has been announced for the SteamOS beta.