All key system applications are now 64-bit so they can take advantage of all the memory in your Mac. * 64-bit support, the next big step for the Mac. New core technologies in Snow Leopard unleash the power of today’s advanced hardware and prepare Mac OS X for future innovation. * Enjoy dozens more refinements for everything from iChat to Preview and more. * Install it more quickly and get back 7GB of disk space. * Wake from sleep and shut down your Mac faster than before. In ways big and small, it gets faster, more reliable, and easier to use. Snow Leopard enhances your entire Mac experience. Snow Leopard is an upgrade for Leopard users and requires a Mac with an Intel processor. It's the world's most advanced operating system, finely tuned from installation to shutdown. It delivers a wide range of enhancements, next-generation technologies, out-of-the-box support for Microsoft Exchange Server, and new accessibility features. Upgrade from Mac OS X Leopard with Snow Leopard, a simpler, more powerful, and more refined version of Mac OS X.

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