Minimum System Requirements
Windows
OS:
Windows Vista
Processor:
2.0 GHz Dual Core
Memory:
2 GB RAM
Graphics:
Shader Model 3.0 256mb VRAM
Storage:
1800 MB available space
Notes:
Version 9.0c; DirectX 9.0c-Compatible, 16-bit; Most relatively modern computers should be fine.
macOS
OS:
OS X 10.7
Processor:
1.4GHz Intel i5, 2.0GHz Dual Core
Memory:
4 GB RAM
Storage:
1800 MB available space
Notes:
Most relatively modern computers should be fine.
Recommended System Requirements
Windows
OS:
Windows 7 or higher
Processor:
2.0 GHz Quad Code
Memory:
4 GB RAM
Graphics:
Shader Model 3.0 512mb VRAM
Storage:
2 GB available space
Notes:
Version 9.0c; DirectX 9.0c-Compatible, 16-bit; If you can call your computer "good for gaming" then you're probably good.
macOS
OS:
OS X 10.8
Processor:
2GHz Intel i5
Memory:
4 GB RAM
Storage:
2 GB available space
Notes:
If you can call your computer "good for gaming" then you're probably good.
These are the requirements the publisher lists on Steam.
