Steam will stop supporting macOS 11 Big Sur on October 15, 2025, according to Valve, requiring Mac users to upgrade to macOS ...

The change kicks in on October 15th, 2025. “This change is required as core features in Steam rely on an embedded version of Google Chrome, which no longer functions on older versions of macOS,” Valve ...

Valve's Steam client will end support for macOS 11 Big Sur on October 15, 2025. This decision, while a blow to some gamers, ...

From 15 October 2025, Steam will officially stop supporting macOS 11 Big Sur. This isn't just a case of Steam saying there ...

Steam will drop support for macOS 11 from October 15, pushing users to upgrade to newer macOS versions for continued access ...

In a few weeks, the Steam Client will stop running on macOS 11 due to a Chromium compatibility limitation. Here are the details.

Since I can’t cover everything, here are some recommended articles from other websites. ° From AppleInsider: Gamers with ...

Valve has announced the upcoming end of support of Stem on older macOS versions, namely High Sierra (10.13) and Mojave (10.14). Those two are the final macOS releases with 32-bit application support.

Gamers with older Macs who want to keep using Steam will need to upgrade to macOS Monterey or later if they can, as Valve is cutting support for macOS Big Sur in October.

If you're a Mac user that's still running macOS 11 Big Sur, be aware: Valve has announced that the Steam Client will stop ...