In order for you to play Zombillie on Windows with minimal graphics settings, your computer must meet the following requirements
OS *:
Windows 7
Processor (CPU):
Dual core from Intel or AMD at 2.0 GHz
Memory (RAM):
1 GB RAM
Graphics Card:
nVidia 320M or higher, or Radeon 7000 or higher, or Intel HD 3000 or higher
DirectX:
Version 9.0c
Storage:
1 GB available space