In order for you to play Wildfire on Windows with minimal graphics settings, your computer must meet the following requirements
OS *:
Windows 7
Processor (CPU):
Intel Core i5-2300 / AMD FX-4350
Memory (RAM):
2 GB RAM
Graphics Card:
DX10 Adapter with 512 MB VRAM
DirectX:
Version 9.0c
Storage:
310 MB available space