minimal:
reqprocessor: Intel Core 2 Duo 2.4GHz Processor or better
reqgraphics: NVIDIA GeForce 9600M GT, ATI Radeon HD 2600 Pro or better. Video RAM of 256MB or better
reqmemory: At least 4 GB RAM
reqdiskspace: At least 15 GB of free space with at least 1 GB additional space for custom content and saved games
reqsystem: Metal required. Mac OS® X 10.11 (El Capitan)

recommended:
reqprocessor: Intel Core i5 or better
reqgraphics: NVIDIA GTX 650 or better
reqmemory: 8GB RAM
reqdiskspace: 18 GB of Hard Drive space
reqsystem: Mac OS® X 10.11 or later