As far as developers are concerned, the integration of Grand Central, OpenCL and a 64 bit kernel will allow you to take full advantage of the dual processing power of Intel Macs. If your Mac is operating at a slow pace, then for that reason alone it is worth the upgrade to OS X 10.6 Snow Leopard.

Faster Installation Time: Installing Snow Leopard on multiple machines takes approx 15 minutes in comparison to around an hour for Leopard.Microsoft Exchange Server Support: Mac users can now connect to Microsoft Exchange 2007 servers via Mail, Address Book, and iCal.Safari Beta 4 Default Browser: Apple included a beta version of Safari 4 with Snow Leopard.Cocoa Based Finder: Finder has a new Cocoa Desktop Window and Contextual Menu.Slimmer QuickTime Player: QuickTime X features a simplified GUI with a greater focus on codec support. This is my How To Video for installing Mac OSX 10.7 on a MBP early 2011 but this will work on any system that currently has Lion, Mountain Lion, Mavericks, Y.This version of Apple's OS also has a reduced footprint. All displayed data are updated in real time, so you can always tell if there’s enough space to install a new game or download an HD movie. This update does not have stacks of new features, rather overall improvements and efficiency upgrades. DaisyDisk also gives you a great overview of all connected disks, be it Macintosh HD, Thunderbolt disk, flash, network storage, you name it. Rather than delivering big changes to the appearance and end user functionality like the previous releases of Mac OS X, Snow Leopard focuses on 'under the hood' changes, increasing the performance, efficiency, and stability of the operating system.

Mac OS X 10.6.8 Snow Leopard is an upgrade to the previous version of OS X Leopard. Mac OS X v10.7 'Snow Leopard' was released on August 28, 2009.

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