SteamOS is an Arch-based Linux distribution developed by Valve Corporation, a US video game developer, publisher and digital distribution company. It comes with Steam, Valve's own video game store, and it is the default Linux distribution for Valve's line of gaming hardware, including the Steam Deck, Steam Machine and Steam Frame. The distribution also supports some third-party handheld devices, such as Lenovo Legion Go and ASUS ROG Ally, but it can also be installed on standard personal computers. SteamOS uses the KDE Plasma desktop as its default user interface.

• SteamOS 3.8.10
• SteamOS 2.0 Preview
• SteamOS 1.0 Beta Update 153
• SteamOS 1.0 Beta Update 145
• SteamOS 1.0 Beta Update 105

I am writing this on SteamOS Version 3.8, and the experience has been outstanding. From startup to shutdown, the interface feels smooth, responsive, and designed with gaming at its heart. Steam integration is flawless, making it effortless to manage my library and jump into a session with perfect controller support and excellent Proton compatibility. Games run beautifully, and even titles from other platforms feel right at home. Desktop Mode offers a capable Linux environment for everyday tasks while keeping the gaming focus front and center. Performance has been consistently strong, the visuals are polished, and stability has exceeded my expectations. SteamOS 3.8 blends console‑like ease with the power of Linux, making it a joy to use every day.