This will allow you to flip over to macOS 10.14 on restart of your computer where you can continue to play all of your 32-bit Mac games. Consider installing macOS 10.14 Mojave on a separate APFS volume on your computer along with Steam or your other gaming client.When running macOS 10.15 there are a couple of options you can follow to continue running 32-bit applications on your Mac, but they involve using Windows or an earlier version of macOS: Those games that also support Windows or Linux can still be played on Windows and Linux PCs. We may also include other notes within the 'Mac, System Requirements' for the game:ģ2-bit games will remain listed in your Steam and other accounts, but you won't be able to play them on Apple Macs running macOS 10.15 or later.

Or this information may be presented on the 'Requirements' section:įor Star Deals, Pick and Mix selections and Bundles the above Catalina warning is shown in the 'System Requirements, Mac' box. Where we are aware that a game will not work on macOS 10.15 (Catalina) or later we show an info box above the Game Details box in (on desktop PCs) the right-hand sidebar: How we indicate a game won't run on macOS 10.15 (Catalina) or later Apple explain this in this article.ģ2-bit applications tend to be older, developed at a time before 64-bit processors and operating systems were the norm - older games, that haven't been recently updated, are likely to be 32-bit and so will not work on macOS 10.15. With the introduction of macOS10.15 (also known as 'Catalina') in October 2019 Apple withdrew support for 32-bit applications - only 64-bit applications can be used on macOS 10.15 (Catalina), macOS 11 (Big Sur) and later.

Steam macos catalina