#DOWNGRADE TO MACOS CATALINA HOW TO#

#DOWNGRADE TO MACOS CATALINA HOW TO#

This applies to macOS 10.14 Mojave and above.Ħ - Once that is done > backup out of Disk Utilities and choose install macOS.ħ - Follow the prompts and it may automatically reboot several time.Ĩ - Upon a final reboot - Setup Assist will present with the newer version of macOS. In this video, we will learn how to downgrade macOS Monterey to any of the older macOS versions such as macOS Big Sur, Catalina, High Serra. > Only works on Intel Based Apple Computer > Disk Utilities > View > View ALL attached Drives.Ĥ - Choose the Upper Most Drive ( not the volumes indented and list below ).ĥ - The drive normally is called Apple Media or Apple SSD - that is the drive to Erase and format as APFS with the GUID Partition Map. Clone your entire Mac hard drive Store your important files in iCloud Check out our full guide to backing up your Mac for more information. Copy this file into your downgraded version of macOS High Sierra (select High Sierra from the sidebar to open it) and name it InstallApplications. Downgrade Mac OS with a bootable installer 7. -This file is hidden by default (to view it, open Finder > Preferences/Advanced > Show File Extensions) but it doesn’t need to be changed. Here are the links where you can download macOS Catalina, High Sierra, or Mojave.

Downgrade Mac OS with a Time Machine backup 5. Download in advance the version of macOS to which you want to downgrade from Big Sur. This method will WIPE ALL Data and there is No Recovery - Period. Here's how to downgrade macOS Sonoma, Ventura, Monterey, or earlier version: 1.

Downgrade to macos catalina