Steam will wind down support for 32-bit Windows as that version of Windows fades
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 nothing lasts forever, and Valve does eventually end support for old software when it's time to move on. The company announced in a support note today that it would be ending Steam client support for 32-bit versions of Windows on January 1, 2026. "Existing Steam Client installations will continue