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Take Control of Upgrading to Mountain Lion by Joe Kissell

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Check Your Mac for Compatibility

All currently shipping Macs, and many models introduced within the past 5 years or so, can run Mountain Lion. However, Apple’s new system requirements exclude certain models. In particular, not every Mac that can run Lion can also run Mountain Lion. And even a relatively recent Mac may not have enough RAM or disk space, or may need a firmware update. In the next few pages I help you verify that your hardware fully supports Mountain Lion. I also talk about the requirement to have Snow Leopard or later in order to use the Mac App Store, and make a suggestion about input devices.

Model Support

Apple’s system requirements for a given big cat used to be simple—your Mac must have such-and-such a processor, something ...

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