

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.

(The recommendation is to install on a FAT32 drive.

Before you do anything back up your Mac, just in case.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.
