Installing Leopard

From Macworld
Most of us face the prospect of upgrading our operating systems with a mixture of excitement and dread. True, a new OS brings cool new ways to work. But that doesn’t change the fact that when you install a major version of OS X you’re essentially gutting your Mac and replacing its virtual insides.

Luckily, Apple’s improved the upgrade experience with each new cat, making the process much less daunting. But despite the Installer’s useful guidance, there are things it doesn’t tell you, and places where its help falls short. With that in mind, here’s my guide to making the upgrade process as trouble-free as possible.

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