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How do I know what OSX I had on my macbook pro prior to Yosemite

Could anyone tell me, how do I know what was my OSX on my 2009 MacbookPro prior to downloading to Yosemite. I don't want Yosemite anymore and don't know how to go back to what I had.

Thank you in advance.

J

Posted on Mar 4, 2015 4:39 PM

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How do I know what OSX I had on my macbook pro prior to Yosemite

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