Heads-up if your Mac is still running macOS 11 Big Sur: Valve has announced that, in a few weeks, the Steam Client will stop running on these Macs due to a Chromium compatibility limitation. Here are ...

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. Steam is a mainstay of PC and ...

Google confirmed this week that Chrome version 138 will be the last to have updates for macOS 11, also known as Big Sur. Starting July 30, 2025, Chrome 139 and any later updates will need macOS 12 or ...

The reason Steam will soon stop working on Big Sur is due to the client's reliance on an embedded version of Google Chrome, which no longer functions on older macOS versions. Future Steam updates will ...

Google has confirmed that its upcoming Chrome 138 browser update will be the last version to support macOS Big Sur. Going forward, Chrome 139 and later versions will no longer support macOS 11, which ...

“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 says.