You can easily find all 32-bit apps on a Mac with the System Information tool if you aren’t sure. This can include many important major apps that some users rely on, like Adobe Photoshop CS6, and some older versions of Microsoft Office and other older significant apps. If you have a critical 32-bit app, either find out if a new 64-bit version is available, or consider delaying the update to Catalina. MacOS Catalina will only run 64-bit applications, meaning any 32-bit apps on the Mac will no longer run. You’ll also want to be sure you have at least 15GB of free storage space available on the drive to be able to download and install the MacOS Catalina update. You’ll want to be sure your Mac supports MacOS Catalina, as not all hardware does.įrom the list of MacOS Catalina supported Macs here, you can see that for the most part any Mac built after 2012 supports MacOS Catalina. We’ll run through checking system compatibility, looking for incompatible apps, updating apps, backing up the Mac, and installing MacOS Catalina 10.15. ![]() How to Get Ready for MacOS Catalina in 5 Easy Steps ![]() ![]() We’ll also discuss some other options, like dual booting, or holding off on installing the update for a while. This article will walk through some important steps to prepare a Mac for updating to MacOS Catalina.
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