New! Features

OS X Mountain Lion

OS X Mountain Lion means superior results faster, with new features and enhancements that help you build Web sites and Internet applications. It provides a combination of visual layout tools, application development features, and code editing support, enabling developers and designers at every skill level to create visually appealing, standards-based sites and applications quickly and easily.

Only New Features

If you’re already familiar with OS X Lion, you can access and download OS X Mountain Lion New Features to help make your transition to the new version simple and smooth. The OS X Mountain Lion New Features—including a more detailed list of new features—as well as other OS X Lion to OS X Mountain Lion transition ...

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