
Once you have installed macOS Monterey (or whatever version you choose), updates will appear in Software Updates as soon as they are available. How to install macOS updates on an unsupported Mac Steps outlined here if you have any problems. Next you need to select Install macOS, you should see the option Install macOS Big Sur in the OpenCore Picker.

You’ll be able to find the installation files in Applications. How to create a bootable installer of macOS in a separate article.

Now you need to load these installation files onto a USB stick and prepare the USB stick for installing macOS Monterey.They are 12GB so expect this to take a while.

If they don’t show up in Software Update you can get the installation files from the You’ll have to obtain these using a compatible Mac.

The procedure for updating to a new version of macOS on incompatible Macs is as follows: You can find a list of all the Macs supported Before installing Monterey on an older Mac, make sure that your Mac is compatible with the patcher. Note that macOS patchers cannot perform magic and not all Macs will be compatible.
