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 ...

Starting October 15, 2025, Steam will no longer run on macOS 11 Big Sur. Users must upgrade to macOS 12 or later to continue ...

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

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

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

But Rosetta 2 has its last days ahead, so it’s good news that Steam has just revealed a way to play its games natively. Steam is about to get native support for Apple Silicon Macs.

Steam Launches Native Apple Silicon Support in Beta, Boosting Game Performance on Macs The long-awaited update eliminates the need for emulation, giving Apple Silicon Mac users a performance boost ...

Most PC games still prioritize Windows and x86, but native Apple Silicon support is becoming more common in games on Steam and the Mac App Store. Major examples include Assassin's Creed Shadows ...

Steam And 3DMark Team Up For Game-Changing Apple Silicon Native Support by Bruno Ferreira — Friday, June 13, 2025, 12:50 PM EDT Comments ...

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 ...