How to downgrade to macOS Catalina Since the macOS Big Sur is a beta version, you may want to go back to using the macOS Catalina after you are done testing the new operating system.
After you are done installing the macOS Big Sur Developer Beta, your Mac will reboot and you will need to sign-in with your Apple ID and password.
Here’s how you can do it: *Go to developer.apple.com and navigate to macOS *Click Download button at the top *Log-in with your developer account *Click on the Install Profile button for macOS Big Sur to download the file to your Mac *Open your Downloads window and select macOS Big Sur Developer Beta Access Utility *Now, run the installer by double-clicking on Once the installer is finished downloading, System Preferences will automatically check for update to macOS.
While the operating system is expected to arrive soon, Apple has released the macOS Big Sur Beta 1 for developers so that they can test their apps against it and prepare for the public release of the OS.
Follow these steps to revert to macOS Catalina from macOS Big Sure Developer Beta: *Click on Apple Menu at the top > Restart *After your Mac restarts, press and hold the Command and R keys until the Apple log appears *Select Restore from a Time Machine Backup *Click Continue *Select your Time machine backup disk and the Time Machine backup you want to restore Now, follow the onscreen instructions and that’s it.
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