Minimum System Requirements
Windows
OS:
Windows XP
Processor:
2.13GHz Intel Core2 Duo or equivalent
Memory:
1 GB RAM
Graphics:
DirectX 9.0c compatible graphics card with 64Mb RAM and support for v3 shaders
Storage:
5 GB available space
Notes:
Version 9.0c; DirectX 9.0c compatible sound card
Recommended System Requirements
Windows
OS:
Windows XP or later
Processor:
3GHz Intel i3 or equivalent
Memory:
4 GB RAM
Graphics:
DirectX 9.0c compatible graphics card with 128Mb RAM and support for v3 shaders
Storage:
5 GB available space
Notes:
Version 9.0c; DirectX 9.0c compatible sound card
These are the requirements the publisher lists on Steam.
