When the Mac starts up there will be a black screen with a few drive options.Once that has been created you need to reboot your Mac while holding down the Option (Alt) key.(The recommendation is to install on a FAT32 drive. The next step is to choose Install OpenCore to USB/internal drive from the options.Once in Build OpenCore the process should quickly build and then you will return to the main menu.Choose Build OpenCore (unless you wish to run the patcher on a different Mac, in which case it’s Change Model).After extracting the archive from your download you will find the file “OpenCore-Patcher.app”.Click on the Code and then the green Code button, and then the Download Zip button. You can download the latest version of the patcher we mentioned above here. Next you need to obtain the patcher software that will essentially trick the installation files of the version of macOS you want to install into believing that the Mac is compatible.(Open Finder and press Shift + Command + A). You’ll be able to find the installation files in Finder > Applications.

We explain how to create a bootable installer of macOS in a separate article.

Once they are downloaded you need to load these installation files onto a USB stick and prepare the USB stick for installing macOS Ventura.

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

Instal the last version for mac Adera