Once they are downloaded you need to load these installation files onto a USB stick and prepare the USB stick for installing macOS Sonoma.They are over 12GB so expect the download to take a while. If they don’t show up in Software Update you can get the installation files from the Mac App Store. You’ll have to obtain these using a compatible Mac. First you will need to obtain the installation files for the version of macOS you are after – in this case Sonoma.Before you do anything back up your Mac, just in case.We recommend following the instructions on the GitHub page. The procedure for updating to a new version of macOS on incompatible Macs is as follows. If you really want to run Sonoma maybe it’s time to upgrade your Mac and sell your old one. Wondering if it’s even worth updating your Mac? Read: macOS Sonoma vs Ventura. Running macOS on an unsupported Mac may also be considered against Apple’s terms and conditions.

For example, many older Macs had problems with the Wi-Fi connection after installing macOS Big Sur. (For that reason we recommend making a full backup of your Mac first). Be prepared for the fact that your Mac will not function optimally and you could lose data. There are known issues with the patcher and Macs with a T1 security chip, for example. So if you do install Sonoma, Ventura, Monterey, or older, on an unsupported Mac don’t expect it to run smoothly. Older Macs just don’t have the necessary components or power required to cope with the demands of the more modern systems. Should I install the latest macOS on an old Mac?īefore you go ahead and follow our tutorial, a word of warning: there is a reason why Apple chooses not to support the new Mac operating system on older Macs. If your Mac is supported read: How to update macOS for a simple way to update your Mac to the latest compatible operating system. Mac Pro models from late 2013 and later.MacBook Pro models from early 2015 or later.MacBook Air models from early 2015 or later.MacBook models from early 2016 or later.Here’s an overview of the Macs that will run Monterey: Here’s an overview of the Macs that will run Ventura:

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