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Once the installation is complete, choose your preferred method to restore your backed-up files.ģDowngrade Using an Older macOS Installer Complete the rest of the installation process by following the prompts that appear on the screen. Follow the onscreen instructions and select your startup disk. Once the macOS Recovery is loaded, select the Reinstall macOS (or Reinstall OS X) option from the macOS Utilities screen. The startup will take longer than usual so be patient. As your Mac is booting up, press Shift + Option + CMD + R keys and hold them until the macOS Recovery loads. Shut down your Mac and then power it back on. The process to downgrade macOS via macOS Recovery is similar to reinstalling macOS.
#DOWNGRADE MAC OS SIERRA WITHOUT TIME MACHINE DOWNLOAD#
However, it does require internet access as the macOS Recovery will download a previous version of macOS during the installation process.
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This method to downgrade macOS to previous version does not require any backup of the previous OS version.
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Once you have selected it, follow the onscreen instructions to finish the process.ĢDowngrade macOS or Mac OS X with macOS RecoveryĪnother method to downgrade macOS or Mac OS X is by using the built-in macOS Recovery. Now choose the Time Machine backup in that disk. Next, choose the Time Machine backup disk that contains the backup of a macOS that you want to restore. Now click on the “Restore from a Time Machine Backup” option on the screen and then click on the Continue button. As your Mac is restarting, press the Command + R keys and hold them until you see the Apple logo on the screen. First, restart your Mac using the Apple > Restart option. Keep in mind that this method will not work if you didn’t create backup via Time Machine. If you have backed up your Mac data via Time Machine, then you can easily downgrade macOS or Mac OS X. Following are the three recommended methods: 1Downgrade macOS or Mac OS X with Time Machine There are several methods to downgrade the operating system to your desired version. Once you have backed up your important Mac data, you can proceed to downgrade macOS. In that folder, choose the files that you wish to backup and drag them to the My Backup folder that you created in the above step. After that, navigate to the Mac disk and find the Users folder. Now open the backup disk and create a folder named “My Backup”. It will be displayed under the Show section. On your Mac, navigate to your hard drives by clicking on Finder > Preferences and checking the “Hard disks box”. However, using Time Machine is also fine.įollow these instructions to backup Mac data with Time Machine: For data security reasons, backing up your data to an external hard drive with the help of a third-party tool is recommended.
#DOWNGRADE MAC OS SIERRA WITHOUT TIME MACHINE SOFTWARE#
You can either choose Time Machine or you can choose a third-party Mac backup software for this purpose. There are several ways to back up Mac data. Backup Mac Data with Time Machine Before Downgrading macOS/Mac OS Xīefore you start to downgrade macOS to an older version, it is highly recommended that you back up all your important data first.