Minimum system requirements:
OS: Windows 7(64bit)
Processor: Core2Duo 2.66 GHz
Memory: 4 GB RAM
Graphics: DirectX 10.x or OpenGL 3.3 with video card with 1GB ram and support for v4 shaders
DirectX: Version 10
Storage: 32 MB available space
Sound Card: DirectX 9.0c compatible sound card
Additional Notes: May not work properly with Windows 7 and 8 (32bit) version. On-board graphics card are not recommend.
Highly recommend to have an independent graphics card.