OS X Mavericks (version 10.9) is the tenth major release of OS X, Apple Inc.’s desktop and server operating system for Macintosh computers. OS X Mavericks was announced on June 10, 2013, at WWDC 2013, and was released on October 22, 2013, as a free update through the Mac App Store worldwide.

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MacOS Mavericks 10.9 ISO Download

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