In order for you to play Three Dead Zed on Windows with minimal graphics settings, your computer must meet the following requirements
OS *:
Windows XP SP3, Vista, 7, 8
Processor (CPU):
Dual Core 2.2GHZ
Memory (RAM):
2 GB RAM
Graphics Card:
Nvidia 8xxx/Radeon HD 2xxx series graphics cards (XNA 4.0 Hi-Def compatible card, Pixel Shader 3.0, Vertex Shader 3.0) (Integrated Video Cards not recommended)
DirectX:
Version 10
Storage:
450 MB available space