Mac OS X is the world's most advanced operating system. Built on a rock-solid UNIX foundation and designed to be simple and intuitive, it's what makes the Mac innovative, highly secure, compatible, and easy to use.

Better, faster, easier

Mac OS X Snow Leopard includes hundreds of improvements that will help make your Mac faster, more responsive, and more reliable than ever. Installation is up to 50percent faster than with Mac OS X Leopard; wake from sleep is as much as two times faster; shutdown is up to 80 percent faster; and initial Time Machine backups to Time Capsule are up to80 percent faster than in Leopard.2

Dock

Now Expose is integrated in the Dock, giving you a quick and easy way to see all the open windows of an application.

Finder

The Finder has been completely rewritten to take advantage of the new technologies inSnow Leopard. The familiar Finder interface is unchanged, but you'll discover that the Finder is faster and more responsive. It also includes an enhanced icon view with live file previews, so you can thumb through a multipage document or even watch a QuickTime movie.

New core technologies

New core technologies in Snow Leopard unleash the power of today's advanced hardware and prepare Mac OS X for future innovation.

QuickTime X

The next-generation media technology, QuickTime X powers the audio and video experience in Snow Leopard. It debuts a completely new QuickTime Player application with a clean, uncluttered interface as well as an easy way to record, trim, and share your media.

Out-of-the-box support for Microsoft Exchange

Snow Leopard includes out-of-the-box support for Microsoft Exchange Server 2007 in Mail, iCal, and Address Book, so it's easier than ever to take your Mac to work.

Safari 4

The latest version of the blazing-fast web browser delivers up to 50 percent faster JavaScript performance2 and is more resistant to crashes than ever.

Universal Access