The suggested troubleshooting steps didn't work to recover my Mac...I need it back to Mojave...It's been upgraded to Catalina
How can I downgrade my Mac back to Mojave? I cant use Catalina for my work
iMac 21.5" 4K, macOS 10.15
How can I downgrade my Mac back to Mojave? I cant use Catalina for my work
iMac 21.5" 4K, macOS 10.15
Revert your Mac to a previous macOS version - Apple Support
Revert your Mac to a previous macOS version - Apple Support
If you have a TIme Machine backup you can revert to Mojave.
Restore your Mac from a backup - Apple Support
Otherwise, you'll need to erase the hard drive an reinstall Mojave. This will erase all your data.
The suggested troubleshooting steps didn't work to recover my Mac...I need it back to Mojave...It's been upgraded to Catalina