MINIMUM:
OS: Windows Vista
Processor: Dual Core 2.0GHz or equivalent
Memory: 2 GB RAM
Graphics: ATI or NVidia card w/ 512 MB RAM (not recommended for Intel HD Graphics cards)
DirectX: Version 9.0
Hard Drive: 3 GB available space

RECOMMENDED:
OS: Windows 7, 8 or 8.1
Processor: Dual Core 3.0GHz or equivalent
Memory: 2 GB RAM
Graphics: ATI or NVidia card w/ 1024 MB RAM (NVIDIA GeForce GTX 260 or ATI HD 4890)
DirectX: Version 9.0
Hard Drive: 3 GB available space