r on Macbook I need to update from OS X 10.7.5 to 10.9.5. How do I do this?
Was told by Amazon in order to download kindle reader on MacBook Pro I need to update from OS X Lion 10.7.5 to 10. 9.5. How do I do this?
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Open the Mac App Store and try downloading Yosemite. If you get told it's incompatible, you cannot; 10.8, 10.9, and 10.10 all have the same system requirements, and Mavericks is no longer available.
Back up your data and check your applications for compatibility before upgrading. In particular, Mac OS X 10.7 and newer don't support PowerPC programs such as versions of Microsoft Office prior to 2008.
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