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 ...

While this doesn't mean that your Steam client running on Windows 10 32-bit will self-destruct at midnight on January 1, it ...

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.