What is the OS X Beta Seed Program
The OS X Beta Seed Program gives users the opportunity to run pre-release software. Test-drive beta software and provide quality and usability feedback that will help make OS X even better.
How can I participate
Join the OS X Beta Seed Program and accept the Beta Seed and Confidentiality Agreement. Apple will provide a Beta Access Utility for your Mac, which gives you access to pre-release versions of OS X in the Mac App Store Updates panel.
You can join the program at the link below...
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