In the best case scenario, you’ll want to downgrade to a version of macOS that you downloaded via the App Store, as this means you’ll be able to re-download the installer via the App Store. You’ll also need the version of macOS that you want to install. Just be aware that formatting this drive will wipe everything from it! If the USB drive contains anything that you want to keep, then make sure you move or copy it to a safe location before proceeding. If you don’t have a Time Machine backup, then downgrading is going to be more complicated, as you’ll need to create a bootable installer.įor the best results, you’ll need a USB flash drive with at least 12GB of memory.
#Install os x el capitan from usb gr update#
If you create regular Time Machine backups (and you should!) then you may be able to reverse a macOS update by restoring a Time Machine backup that you created before installing that update. Choose your startup disk, and then select ‘Install.’.Once you see the macOS Utilities screen, select ‘Reinstall macOS’ and then click ‘Continue.’.Restart your Mac, while holding down the ‘Shift+Option+Command+R’ keys.
![install os x el capitan from usb gr install os x el capitan from usb gr](https://www.ired.gr/images/blog/1242/ired_mac_Project_Hackintosh_04.jpg)
Easiest and Simplest Way to Upgrade Win10 to Win11 Bypassing Minimum Requirements