Minimum System Requirements
Windows
OS:
Windows XP
Processor:
Dual Core 2.33 GHz Intel or 3.0 GHz AMD
Memory:
2 GB RAM
Graphics:
Geforce GTX 8800, AMD Radeon 4850 or Intel HD Graphics 5200 or better (1GB graphics memory or more. Shader Model 3.0 needs to be supported). Minimum supported resolutions 1280×720 and 1024×768.
Storage:
2 GB available space
Notes:
Version 9.0c
macOS
OS:
Mac OS X 10.7.5 or later
Processor:
1.4 GHz dual-core Intel Core i5 processor
Memory:
2 GB RAM
Graphics:
OpenGL 3.2 capable graphics card, Intel HD Graphics 5000 minimum
Storage:
2 GB available space
Notes:
Low Rendering Quality setting is recommended on Mac models without dedicated graphics cards such as the Macbook Air
Recommended System Requirements
Windows
OS:
Windows 7
Processor:
Quad Core 2.66 Ghz Intel or 3.2 GHz AMD
Memory:
4 GB RAM
Graphics:
Geforce GTX 660 Ti or AMD Radeon 6850 or better (1GB graphics memory or more. Shader Model 3.0 needs to be supported). Minimum supported resolutions 1280×720 and 1024×768.
Storage:
2 GB available space
Notes:
Version 9.0c
macOS
OS:
Mac OS X 10.8.5 or later
Processor:
2.5 GHz dual-core Intel Core i5 processor
Memory:
4 GB RAM
Graphics:
OpenGL 3.2 capable graphics card, Geforce GT 650M or better recommended
Storage:
2 GB available space
These are the requirements the publisher lists on Steam.
