

Select Macintosh HD from the sidebar, then click the Erase tab.ĭ) Select the Format as APFS and Scheme to GUID Partition Map. Release the keys when the Apple logo appears.Ĭ) On the macOS Utilities window, select Disk Utility, then click Continue. Steps to downgrade macOS Big Sur through Time Machine are as follows:Ī) Plug your Mac to its power source to avoid downgrade failure due to unexpected shutdown caused by low battery.ī) Start or restart your Mac, then immediately press and hold Command + R keys. So, back up your important files-which you’ve created or saved in your Mac running on macOS Big Sur-to an external drive or iCloud. Warning: Downgrading your macOS results in data loss. If you’ve backed up your Mac by using Time Machine prior upgrading to macOS Big Sur, you can use the backup drive to restore the earlier version of macOS. Downgrade to Earlier macOS Version Using Time Machine The good thing is you can easily do so by following the methods presented hereunder. The above issues or others might bother you to the extent that you wish to revert to the older macOS version that was already present on your Mac.

In November 2020, Apple released macOS Big Sur 11.
Time machine software for mac for mac#
Every year Apple releases a new operating system for Mac that provides a new interface, better user experience, and tons of productivity features.
