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I need to upgrade my OS 10.7.4 to 10.9 or higher for a program I need. How do I do that?

I have a MacBook Pro A1278. The current OS is 10.7.4. I am trying to use a photo editing program that requires 10.9 or higher. Can I upgrade my OS? If so, where and how? Thank you!

MacBook, Mac OS X (10.7.4)

Posted on Nov 24, 2015 6:45 PM

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I need to upgrade my OS 10.7.4 to 10.9 or higher for a program I need. How do I do that?

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