It is the first major redesign of the OS X user interface since 10.5 Leopard. Yosemite introduced a major overhaul of OS X's user interface, emphasizing flat graphic design over skeuomorphism, following the aesthetic introduced with iOS 7. These are the models that support new features such as Handoff, Instant Hotspot as well as AirDrop between Mac computers and iOS devices: Mac Pro (Early 2008 or later) (Can run on a mid-2006 version if one upgrades to a supported graphics chip and utilizes a custom bootloader).MacBook Pro (13-inch, Mid 2009 or later 15-inch, Mid/Late 2007 or later 17-inch, Late 2007 or later).MacBook (Aluminum Late 2008 and Early 2009 or later).These are the models that are compatible with OS X Yosemite (with exceptions): As with Mavericks and Mountain Lion, 2 GB of RAM, 8 GB of available storage, and OS X 10.6.8 (Snow Leopard) or later are required. However, to take full advantage of the Handoff feature, additional minimum system requirements include a Mac with Bluetooth LE (Bluetooth 4.0). 2.5 Applications found on OS X 10.10 YosemiteĪll Macintosh products capable of running OS X Mountain Lion (v10.8.x) are able to run Yosemite as the two operating systems have the same requirements.