In order for you to play Mount & Blade: With Fire & Sword on Windows with minimal graphics settings, your computer must meet the following requirements
OS:
XP/Vista/Windows 7
Processor:
2.1Ghz or higher
Memory:
1.2 GB
Hard Disk Space:
900 MB
Video Card:
128 MB+
Sound:
DirectX Compatible Sound Card
DirectX®:
9.0c