HT201384: About the OS X Mavericks v10.9.5 Update
Learn about About the OS X Mavericks v10.9.5 Update
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Helpful answers
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Oct 13, 2014 9:26 AM in response to alanfromroystonby Klaus1,iOS is only for mobile devices. What version of OS X is your MacBook running now?
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Oct 13, 2014 9:31 AM in response to alanfromroystonby Niel,A mid-2007 MacBook has a 32-bit EFI. Mountain Lion and Mavericks require a 64-bit one.
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