To determine which Mac you have, what kind of CPU it uses, and how much memory is installed: > About this Mac Mac with an Intel Core 2 Duo, Core i3, Core i5, Core i7, or Xeon CPUĬore Duo CPUs are not sufficient for Lion Make sure your system meets the requirements for Lion: Redeem the download code in the App Store to download Lion. To do that you must call Apple again to order a download code.
MAS OS MOUNTAIN LION UPGRADE
If your system does not support Mountain Lion's requirements, you may be able to upgrade to Lion. 8 GB or more of available hard disk space.OS X v10.6.8 or OS X Lion already installed.MacBook (Late 2008 Aluminum, or Early 2009 or newer).
MAS OS MOUNTAIN LION INSTALL
To install Mountain Lion, you need one of these Macs: Mac OS X 10.8 "Mountain Lion" System Requirements Make sure your system meets the requirements for Mountain Lion: Mountain Lion is available in the Mac App Store, which is available to you after upgrading to Snow Leopard. At least 5 GB of disk space available, or 7 GB of disk space if you install the developer toolsĪfter you install Snow Leopard you can decide if you want to upgrade OS X to the latest version, Mountain Lion.A built-in display or a display connected to an Apple-supplied video card supported by your computer.At least 1 GB of memory (RAM) (additional RAM is recommended).An internal or external DVD drive, or DVD or CD Sharing.To install Snow Leopard for the first time, you must have a Mac with: Mac OS X 10.6 "Snow Leopard" System Requirements Make sure your system meets Snow Leopard's requirements: Snow Leopard costs $20, or $30 for a five user license. To upgrade from OS X 10.5.8, you must first buy Snow Leopard by calling the phone number in the Apple Online Store: 800-MY-APPLE (in the US).
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