As of , support for macOS 11 (Big Sur) has also ended.
As of , Steam officially stopped supporting macOS 10.15 (Catalina) . download-steam-for-mac-get-into-pc
: Since macOS 10.15 Catalina, Apple has dropped support for 32-bit applications. While the Steam client itself is 64-bit, many older games in your library may be 32-bit and will not run on newer macOS versions. Operating System Support : As of , support for macOS 11 (Big Sur) has also ended
In your , you can click the Apple logo icon at the top of your game list to show only games compatible with your current system. Troubleshooting Common Issues download-steam-for-mac-get-into-pc