The upgrade is not available on disc or on a USB stick. This wouldn't be an Apple product without a bit of a twist: Mountain Lion is a digital download and can only be purchased through the Mac App Store, which can be found under the Apple menu. ( Information about enterprise volume licensing is available on Apple's site.) This year's upgrade costs just $19.99, and you can upgrade all of your personal Macs for that one price. After several years of selling Mac OS X upgrades for $129, Apple broke tradition in 2009 when it lowered the price of Snow Leopard to $29.99 - and then charged the same thing for Lion in 2011. Under the System Software Overview, look for "64-bit Kernel and Extensions: No." If you find that entry, it means you can't upgrade to Mountain Lion, since it is strictly 64-bit.Īs for cost, the downward trend of recent years continues. (After making the selection, you can release the Option key.) Scroll down the list in the sidebar on the left and select Software. The easiest way to find out if your hardware is compatible is by clicking on the Apple menu while holding down the Option key and selecting System Information or System Profiler. Mountain Lion generally runs on most Macs sold since 2007, though there are some fairly recent Macs that have been left out in the cold. I've had some time to try out the new operating system, which should be an easy upgrade for most users. But at its Worldwide Developers Conference last month, the company offered details about pricing ($19.99) and availability (July), and Apple execs had a chance to talk up a few previously unannounced aspects of the new operating system, including system requirements.
The public has known about many of these features for months, since Apple unveiled the developers preview in February.
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