Valve has officially ended support for the 32-bit Steam client on Windows 10 and Windows 11, completing the transition to a 64-bit-only application on modern Windows platforms.

Gates: I don't think you'll see broad knowledge workers change their operating system from a 32-bit operating system to a 64-bit operating system in this next year, unless you're running an ...

Valve’s latest Steam update modernises the Windows client with full 64 bit support while also delivering quality-of-life improvements.

TL;DR: Valve will end Steam support for Windows 10 32-bit systems on January 1, 2026, ceasing updates and technical assistance. While existing Steam clients will still run temporarily, users must ...