Operating System: OS X 10.7 - Lion Processor (CPU): 1.5 GHz Processor Memory (RAM): 1 GB RAM Graphics Card: OpenGL compatible graphics card with at least 256M Hard Drive: 650 MB HD space
Operating System: OS X 10.6.8 or later Processor (CPU): Intel Core Duo 2GHz+ Memory (RAM): 1 GB RAM Graphics Card: 64MB of video memory Hard Drive: 1 GB HD space
Operating System: Mac OS X 10.9 Processor (CPU): Dual-core from Intel or AMD at 2.0 GHz Memory (RAM): 1 GB RAM Graphics Card: Intel 787 Express or equivalent supporting OpenGL 2.1 Core Storage: 800 MB available space
Operating System: OS X Processor (CPU): CPU @ 2+ GHz, 4 cores Memory (RAM): 2 GB RAM Graphics Card: NVidia GTX 580 or AMD HD 7870 Storage: 4 GB available space