In a recent Steam Support blog, Valve explained that Windows 10 32-bit is "the only 32-bit version that is currently supported" on the platform and that, according to results from its August 2025 ...

Steam users who utilize the 32-bit version of Windows 10 now have a deadline to upgrade their operating systems before Valve ...

Valve has announced that it will stop supporting 32-bit versions of Windows for its Steam app next year. Valve will continue ...

Beginning in 2026, Windows 10 32-bit systems running Steam will no longer receive support or technical updates.