
When you select an individual game, you will see a field titled "64-bit (Intel)".
64 BIT APPS ON STEAM FOR MAC PRO
This gives users advance notice that they are running 32-bit software/game, which will not be compatible with macOS in the future. You can play Steam games on M1 MacBook Pro by installing the Steam app and. Q: Why am I seeing this " is not optimized for your Mac" alert? A: Starting with macOS High Sierra 10.13.4, apps that have not been updated to use 64-bit processes produce a one-time alert when opened.According to Apple: "To ensure that the apps you purchase are as advanced as the Mac you run them on, all future Mac software will eventually be required to be 64-bit." Read Also: The Best Way To Transfer Music from iPhone to Mac >Įverything You Want To Know About This Alertīy cleaning up 32-bit Apps/Gamings from macOS, Apple hopes that this alert will help gamers and game developers to raise a concern about the modern design of Mac apps/games. The Secret of Monkey Island: Special Edition.Company of Heroes Complete: Campaign Edition.Command & Conquer™: Generals Deluxe Edition.However, some games have been updated to 64-bit even though the warning is still on the store page. Steam will have a warning for any game that is only 32-bit and wont run on Catalina.
64 BIT APPS ON STEAM FOR MAC UPDATE
This update affects the following Steam games from Aspyr Media: If you look at the Mac requirements on the Steam Mark of the Ninja store page, it specifically says a 64-bit OS is required.

We understood the 32-bit to 64-bit transition does present unique development challenges, and it's not yet known if every Aspyr game will be upgraded. Aspyr, an American video game developer and publisher, says that so far its remedy for this upadte is currently unknown.

Not all game developers have updated thier popular 32-bit apps to 64-bit to ensure future playability with macOS. If you've seeing the same thing, you are likely running a game that is a 32-bit app on macOS 10.13.4.

From yesterday a large number of Steam users reported that they were seeing a " is not optimized for your Mac" alert.
