Mac Software • Apple OS X 10.10 Yosemite DP2 Build 14A261i (Mac OSX)

If an installation of OS X v10.10 Developer Preview 1 fails, try using Disk Utility from a Recovery HD to repair the disk.

An elegant design that feels entirely fresh, yet inherently familiar. The apps you use every day, enhanced with new features. And a completely new relationship between your Mac and iOS devices. OS X Yosemite will change how you see your Mac. And what you can do with it.

The OS X v10.10 Developer Preview supports the following Macs:
- iMac (Mid 2007 or newer)
- MacBook Air (Late 2008 or newer)
- MacBook (Late 2008 Aluminum, or Early 2009 or newer)
- Mac mini (Early 2009 or newer)
- MacBook Pro (Mid/Late 2007 or newer)
- Mac Pro (Early 2008 or newer)
- Xserve (Early 2009)

Yosemite Developer Preview 2 Highlights:
- A new Settings icon
- FileVault pane appears on reboot
- Photo Booth has returned
- Screen Sharing now sits at version 1.6, can block others from sharing their screen with you
- Time Machine ditches the stars background: the UI has been revamped for translucent appearance
- Photo Booth and Screen Share have brand new icons