I upgraded my OS to Big Sur, now my Quickbooks Desktop doesn't work, how do I go back to OS 10.15.7
I upgraded my OS to Big Sur, now my Quickbooks Desktop doesn't work, how do I go back to OS 10.15.7?
Current Pro Desktops
Boot into Recovery Mode and attach your Time Machine Backup and choose a time Before Big Sur and Restore from Backup.
Good Luck