OpenCore only works on these Mac models: and you must be running OS X Yosemite or later in order to use the GUI Application.

MacBook 5,1 (Late 2008, Aluminum) or newer.

MacBook Air 2,1 (Late 2008) or newer.

MacBook Pro 4,1 (15-inch Early 2008) or newer.

Mac Mini 3,1 (Early 2009) or newer.

iMac 7,1 (Mid 2007)* or newer. The 2007 models require the CPUs to be upgraded to a Penryn CPU.

Mac Pro 3,1 (Early 2008) or newer.

Xserve 2,1 (Early 2008) or newer.