In order for you to play Mount & Blade: Warband on Windows with minimal graphics settings, your computer must meet the following requirements
OS *:
Windows® XP
Processor (CPU):
Intel Pentium 4 2.0 GHz or AMD 2.5 GHz
Memory (RAM):
512MB RAM
Graphics Card:
3D graphics card with 64MB RAM
Hard Drive:
100 MB available space
Sound:
Standard audio
In order to play Mount & Blade: Warband on Windows with maximum graphics settings, you need a computer with a configuration no worse than the following
OS *:
Windows XP or greater
Processor (CPU):
Intel Core Duo 2.0 GHz or AMD Athlon 64 X2 3600+
Memory (RAM):
1GB RAM
Graphics Card:
NVIDIA GeForce FX 5200, ATI Radeon 9600, or better
Hard Drive:
100MB available space
Sound:
Standard audio