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

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

See if your Windows 11, 10, 8, 7, Vista, or XP install is 32-bit or 64-bit Not sure if your installed version of Windows is ...