Mac OS X 10.9 Mavericks Developer Preview 2 Update (Mac OSX) | 1.38 GB

OS X v10.9 Developer Preview is pre-release software. Do not use this pre-release software in a commercial operating environment or with important data. You should back up all of your data before installing this software and regularly back up data while using the software. You will not be able to upgrade from the OS X v10.9 Developer Preview to the final release.

If an installation of OS X v10.9 Developer Preview- fails, try using Disk Utility from a Recovery HD to repair the disk.

OS X v10.9 DP2. The OS X v10.9 Developer Preview supports the following Macs:
– iMac (Mid-2007 or later)
– MacBook (13-inch Aluminum, Late 2008), (13-inch, Early 2009 or later)
– MacBook Pro (13-inch, Mid-2009 or later), (15-inch, Mid/Late 2007 or later), (17-inch, Late 2007 or later)
– MacBook Air (Late 2008 or later)
– Mac Mini (Early 2009 or later)
– Mac Pro (Early 2008 or later)
– Xserve (Early 2009)

Important: This is a preliminary document for an API or technology in development. Although this document has been reviewed for technical accuracy, it is not final. This Apple confidential information is for use only by registered members of the applicable Apple Developer program. Apple is supplying this confidential information to help you plan for the adoption of the technologies and programming interfaces described herein. This information is subject to change, and software implemented according to this document should be tested with final operating system software and final documentation. Newer versions of this document may be provided with future seeds of the API or technology.

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