After the installation, restart the Mac in recovery mode and select the bootable drive once again.Click Reinstall macOS and wait for macOS Catalina to be installed on your machine.Your Mac should then open in Recovery mode. Select the bootable installer and click Enter.Restart your Mac while holding Option/Alt (depending on when it was made) to access Startup Manager.

Plug the USB stick into your older Mac.You’ve now created a bootable macOS Catalina installer on your USB stick – next, you need to install it on your older Mac. Click Create a bootable installer and wait for the installer to be transferred to your USB drive.Plug in a USB memory stick – we’ve got a roundup of the.The macOS Catalina download should then begin, but at around 8GB, it’ll likely take a while depending on your internet speeds. Download the macOS Catalina Patcher from.

There is an in-depth video tutorial on the DOSDude1 website for those interested, but for those in a rush, we’ve simplified the steps right here: Admittedly, the workaround doesn’t work with every Mac, but there’s a large collection listed onĭ with some going back to early 2008. The macOS Catalina Patcher was created by third-party developer DOSDude1, and although you’ll likely run into some problems from time to time, it does allow you to run Catalina on unsupported hardware – even if it does go against Apple’s terms and conditions. Even if you did manage to get a copy via third-party means, code baked into the install will stop it from running on unsupported hardware, but there is a workaround. The problem is that, if you’re running an older unsupported machine, macOS Catalina simply won’t be available to download via the App Store.

This means that, essentially, if your kit was released earlier than 2012, you’re out of luck – or are you? While there’s no official way to get macOS Catalina on an older Mac, there’s a techy workaround that’ll get the system running on your older kit – although whether you should or not is a different question altogether.

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