The next major version of Apple’s OS X 10.9 Mavericks was revealed for the first time on stage at WWDC 2013 keynote.
OS X Mavericks is the most powerful OS X ever and also the most power efficient. Your apps automatically benefit from energy saving technologies in OS X Mavericks, and new APIs help you make them even more efficient. With new AV Kit frameworks, Sprite Kit, Map Kit, and more, you can build your most incredible apps yet.
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Download and Install
OS X Mavericks and Xcode 5
Developer Previews of OS X Mavericks and Xcode 5 are available from the Mac Dev Center. Sign in with the Apple ID associated with your Mac Developer Program membership to download and install OS X Mavericks on your Mac.
Mac Developer Program membership is required to access pre-release software. Not a member? Learn more
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