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upgrade to Yosemite 10.10

How do I upgrade from v. 10.9.5 to v. 10.10?

iMac Pro

Posted on May 17, 2019 6:01 PM

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Posted on May 17, 2019 6:08 PM

You log into the Mac App Store with an Apple ID previously used to download it, or depending on which Mac model you have, download El Capitan, High Sierra, or Mojave instead.


In any case, back up your data and check your applications for compatibility before proceeding.


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upgrade to Yosemite 10.10

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