Upgrading from OS X 10.9.5

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Upgrading from OS X 10.9.5

I have a MAC Desktop (27") and Laptop. Both operate with the OS X 10.9.5 system. I am now trying to use software that won't operate on anything below OS X 10.10. I can't for the life of me figure out how to upgrade, or even what I am supposed to be upgrading to (there are far too many options when I look at the Apple site.

MacBook

Posted on Apr 24, 2020 5:14 PM

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Answer 1

Niel

Community+ 2025

Level 10

740,075 points

Apr 24, 2020 5:32 PM in response to AllisterM

Back up your data, check your applications for compatibility, and depending on which Mac models you have, download El Capitan, High Sierra, or Catalina. A definitive answer would require knowing what models they are; this can be done by supplying the year or looking for a code similar to iMac#,#.

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Upgrading from OS X 10.9.5

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