Minimum System Requirements
Windows
OS:
XP/ Vista / Windows 7 / Windows 8
Processor:
2 GHz Intel Dual Core processor / 2.6 GHz Intel Single Core processor
Memory:
2GB RAM
Graphics:
512 MB DirectX 9.0c compatible card (shader model 3, vertex texture fetch support).
Storage:
35 GB HD space
Notes:
9.0c; Screen Resolution - 1024x768
Recommended System Requirements
Windows
OS:
Windows 7 / Windows 8
Processor:
2nd Generation Intel Core i5 processor (or greater)
Memory:
4GB RAM
Graphics:
1024 MB DirectX 11 compatible graphics card.
Storage:
35 GB HD space
Notes:
11; Screen Resolution - 1920x1080
These are the requirements the publisher lists on Steam.
