Minimum System Requirements
Windows
OS:
Windows XP SP2
Processor:
2.6 GHz single core
Memory:
1 Gb
Graphics:
DirectX 9.0 compatibility
Storage:
2 Gb
Notes:
DirectX9
macOS
OS:
OS X version Leopard 10.5.8, Snow Leopard 10.6.3, or later.
Processor:
2.6 GHz single core
Memory:
1 GB
Graphics:
OpenGL 2.0 compatible video card with 1 GB shared or dedicated RAM (ATI or NVIDIA)
Storage:
2 GB
Recommended System Requirements
Windows
OS:
Windows 7
Processor:
3.0 GHz dual core
Memory:
2 Gb
Graphics:
GeForce 8 series, ATI Radeon HD2xxx
Storage:
2 Gb
Notes:
DirectX10
These are the requirements the publisher lists on Steam.
