CATALINA TO MOJAVE
How do I downgrade from Catalina back to Mojave?
Mac mini, macOS 10.15
How do I downgrade from Catalina back to Mojave?
Mac mini, macOS 10.15
Revert your Mac to a previous macOS version - Apple Support provides instructions.
Revert your Mac to a previous macOS version - Apple Support provides instructions.
It requires wiping your Catalina drive, and replacing it with Mojave. Without a last Time Machine backup of Mojave before the upgrade to Catalina, you are faced with wiping the Catalina drive, and losing all of your data — not to mention the time involvment.
Better question to ask is what is the reason you want to retreat to Mojave? We may be able to resolve that if you clarify your motive.
CATALINA TO MOJAVE