In a December 19 Steam client update, Valve has finally ended support for the 32-bit Steam application on Windows 11 and Windows 10 operating systems. According to the official release notes, updates for the 32-bit Steam client will continue to be provided for systems with 32-bit Windows versions until January 1, 2026. This marks the end of one of the last official 32-bit applications that actively supported the 32-bit versions of Windows. As the software industry continues to phase out 32-bit support, this decision is a natural progression, encouraging consumers to transition to 64-bit operating systems and compatible software.

Valve has been planning this change for some time to simplify software maintenance. However, only a very small number of users will be affected by this decision, as almost no one is still using the outdated 32-bit operating system. Those still on a 32-bit OS will need to upgrade their hardware or reinstall 64-bit OS versions, if their hardware permits, to continue using the official Steam Client. For those planning to stick with 32-bit builds, there is still hope. Enthusiasts frequently create unofficial backports of modern clients. For example, an earlier version of the Steam Client was unofficially backported to Windows 7 SP1 x64 and Windows 8.x x64.