Steam is ending support for Windows 32-bit next year

While this doesn't mean that your Steam client running on Windows 10 32-bit will self-destruct at midnight on January 1, it ...
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Valve is ending support for Steam on Windows 10 in 2026 — but only for 0.01 percent of users

Valve has announced that as of January 1, 2026, Steam for 32-bit based versions of Windows will no longer be supported. Currently, the only version of Windows 32-bit that Valve actively supports is ...