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 ...

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.

Valve’s Steam client is pretty widely compatible with all kinds of newer and older operating systems—that’s what you do when you want as many people as possible spending their money in your store. But ...

Valve has confirmed Steam will be dropping support for 32-bit versions of the Windows 10 operating system. The company said Windows 10 32-bit is used by just 0.01% of users, sparking the change.