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Note: This is a Developer Preview. You must be a registered Apple Mac Developer to download this update. You can also sign up for the free OS X Beta Program to download and preview public beta releases.

OS X Yosemite is Apple's newest operating system for Mac.

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 more...

What's New

Version 10.10 DP6:
  • Settings - The System Preferences menu has a new look with new icons.
  • Battery icon - There's a new battery icon.
  • Wallpapers - Developer Preview 6 introduces new Yosemite-themed wallpapers.


OS X 10.10 Yosemite or later

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4 11


Current Version (10.x)


Downloads 534,928
Version Downloads 82,301
Type Utilities / System
License Free
Date 18 Aug 2014
Platform Intel 64 / OS X / Intel 32
Price Free