Which Macs are compatible with OS X Yosemite (10.10)? What are the system requirements? Which Macs support which features? On June 2, 2014, Apple OS X 'Yosemite' (10.10) - named after the beautiful - and the final version on October 16, 2014.

Apple's final press release promises that OS X Yosemite: Delivers a fresh, modern look and introduces Continuity features that make it easy to hand off activities between Mac and iOS devices and even make and receive iPhone calls from your Mac. Yosemite also includes a new Today view in Notification Center, a redesigned Spotlight search function and updated versions of Safari, Mail, Messages and iTunes. Photo Credit: Apple, Inc. (Retina Display MacBook Pro Running OS X Yosemite) Official System Requirements Apple formally notes that OS X Yosemite runs on the following Mac categories:. (Mid-2007 or later).

(13' Late 2008 Aluminum, Early 2009 or later). (13' Mid-2009 or later). (15' Mid/Late 2007 or later). (17' Late 2007 or later).

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(Late 2008 or later). (Early 2009 or later). (Early 2008 or later). (Early 2009) However, the above Mac needs to be running at least (Mac) OS X Snow Leopard (10.6.8) and have at least 2 GB of RAM installed as well as at least 8 GB of available storage space.

Some of the early models from these lines - 63 different Macs, to be precise - were running Mac OS X Tiger (10.4) or Mac OS X Leopard (10.5) by default and will need to be upgraded to Mac OS X Snow Leopard (10.6.8) prior to upgrading to Yosemite if the operating system has not been upgraded already. Although Yosemite is free, Snow Leopard is not. If you still are using Mac OS X 10.4, 10.5 or 10.6, in particular; make sure that any software that is important to you has a compatible upgrade version available.

It is highly likely that some of your software that works with Tiger, Leopard, or Snow Leopard will not work with Yosemite. Also, some of these early models - eight different Macs - shipped with 1 GB of RAM by default and will need to have more RAM installed prior to upgrading the operating system. Site sponsor sells Mac OS X Snow Leopard. Site sponsor sells for all applicable Macs. Identification Help If you're not sure if your Mac will run OS X Yosemite, all of the supported systems can be identified by the above 'subfamily' designations as well as by the in software. More details about specific identifiers are provided in EveryMac.com's extensive section.

To locate the model identifier, select 'About This Mac' under the Apple Menu on your computer and click the 'More Info.' If the Mac is running OS X 'Lion' (10.7) or later, click the 'System Report' button after clicking 'More Info.' EveryMac.com's feature - as well as the - also can identify these models by their. OS X Yosemite Supported Systems Specifically, the following Macs are compatible with OS X Yosemite, but did not ship with the operating system by default.

However, just because a Mac runs OS X Yosemite does not mean that it is. Macs with an asterisk (.) next to the name - six iMac models and two Mac mini models - had 1 GB of RAM by default. Be certain to confirm that you have at least 2 GB of RAM installed on these models prior to taking the time to download Yosemite.

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'Install OS X Yosemite.app/Contents/SharedSupport/InstallESD.dmg' MD5: ff4850735fa0a0a1d706edd21f133ef2 Can be made into a bootable usb drive with DiskMaker X Build Versions: OS X Yosemite Every bit as powerful as it looks. An elegant design that feels entirely fresh, yet inherently familiar. The apps you use every day, enhanced with new features. And a completely new relationship between your Mac and iOS devices. OS X Yosemite changes how you see your Mac. And what you can do with it.

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