If you’re not currently enrolled, then go to the Apple Developer Program enrollment webpage, which will show you everything you need to sign up. To do that, you need to be enrolled in the Apple Developer Program. Once you've downloaded macOS 11 Big Sur, you might want to play with the more cutting edge developments in the OS that aren't available to the public yet. How to enroll in the Apple Developer Program For information on how to do this, head over to our ultimate guide to backing up your Mac. Whenever you upgrade your operating system we highly recommend backing up the files on your Mac, so if anything goes wrong you can quickly restore your machine to its previous working order.īefore you download and install macOS 11 Big Sur, make sure your Mac is backed up. You can remove junk files, large files, manage your disk storage and remove duplicates, all in one go.(Image credit: Apple) Back up your Mac before upgrading to macOS 11 Big Sur While you wait, you can prepare your Mac to its top condition for the update with Cleaner One Pro. You can also take a look at this post about the most common Big Sur problems and their solutions. Your Mac should return to the state with your previous operating system and data once restoration is completed.ĭowngrading is a tedious process, so we recommend checking all new features and compatibility reviews online before you upgrade to Big Sur. *The restoring process will take some time to finish, make sure you check on your Mac every 30 to 60 minutes. Click Continue after you choose the latest backup and wait for the restore to complete. Click Continue, then choose the backup you want to restore from.Ĥ. Select ‘ Restore From Time Machine Backup’.ģ. Now you can restore your Mac to the previous condition using Time Machine backup.ġ.** Restart** your Mac and hold ‘ Command’ + ‘ R’ on your keyboard to enter the Utilities menu again.Ģ. To backup using Time Machine, follow this instruction on the Apple offical website. Once completed, you can start installing macOS Catalina. Wait for this process to finish even if it seems like it is stuck or frozen. It takes a few minutes to erase the drive. *MacOS Mojave and Catalina uses APFS, so you won’t need to mess with the Mac OS Extended system that you may have used in previous versions of macOS. Choose the APFS file format from the list, then click Erase.ħ. Click Continue, then click Startup Disk (often shown as ‘Macintosh HD’).Ħ. Restart your Mac and hold the ‘Command’ and ‘R’ on your keyboard until the Utilities menu appears.Ĥ. Plug your Mac into power as this may take a while.Ģ. You will need to erase your current drive first, and the rest of the process is the same as doing a disk recovery.ġ. If for some reason, you are not enjoying the experience with Big Sur, you can still downgrade to your previous OS version (Catalina or Mojave), depending on your Time Machine backup. My Mac runs slow on Big Sur, can I downgrade? Here is the official list of supported devices from Apple. The final version is available from Nov 12th.īe sure to check if your current Mac supports the new system update before you jump in. If you did not receive any notification, you can also download Big Sur from the official website here. Go to System Preferences – Software Update.įollow the instruction to download Big Sur. Since Apple released the final version of Big Sur, you will receive a notification from your current OS saying that a new update is available. Now you are ready to go with plenty of free disk space and files backed up. You can try Cleaner One Pro to automatically remove files and applications that you do not use. We recommend cleaning up unused files before backup, to free up your disk space and reduce backup time. This may take a while depending on the number of files you have on your disk. You can back up with Time Machine, which is Mac’s built-in backup utility.
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