Updating old mac operating system

Posted by / 06-Jun-2017 14:05

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Then upgrade to El Capitan as above, and then to Sierra. Because it has attracted low-quality or spam answers that had to be removed, posting an answer now requires 10 reputation on this site (the association bonus does not count).Download Sierra from the App Store and apply the upgrade.Take some time to run the applications that are most important to you.Once your clone is finished, test that your backup drive is bootable by selecting the backup disk as your startup disk in System Preferences and then restarting.Don't forget to change your startup disk back and restart after you test!

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