Mac OS X 10.6 Snow Leopard

Mac OS X 10.6 Snow Leopard was billed as primarily under-the-hood changes to OS X 10.5 Leopard, but it was much more significant than that.

Snow Leopard was announced at the June 2008 Worldwide Developer Conference (WWDC) and released on August 28, 2009.

For the first time since Mac OS 8.5 had been released in October 1998, Apple left behind an entire processor architecure. Back then, it left behind the Motorola 680x0 CPUs in favor of PowerPC (the first PPC Macs had been introduced in March 1994). With 10.6, Apple left behind PowerPC CPUs in favor of Intel (the first Intel Macs were introduced in January 2006).

Big Changes with 10.6

Things Lost with 10.6

Snow Leopard was replaced with OS X 10.7 Lion on July 20, 2011 after just 11 months at the helm.

Minimum Hardware Requirements

Further Reading

Downloadable Updates

Standalone Updates let you update to a newer version of Mac OS X from your hard drive instead of using Software Update, which requires an Internet connection. Download the one(s) you need and install them after mounting the disk image and launching the Installer program.

There are two types of Standalone Updates: Individual (or Delta) and Combo.

Standalone Updates are generally available 24 to 48 hours after the Update is available through Software Update.

If you burn a Standalone Update to CD, its disk image must be copied to your desktop or another location on your Mac OS X startup disk in order to be installed.

This page will be updated as new Standalone Updates become available.

Mac OS X 10.6.1

Mac OS X 10.6.2

Mac OS X 10.6.3

Mac OS X 10.6.4

Mac OS X 10.6.5

Mac OS X 10.6.6

Version 10.6.6 introduced the Mac App Store.

Mac OS X 10.6.7

Mac OS X 10.6.8

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