The current Windows system requirements for Star Wars: Knights of the Old Republic are as follows:
Required
Recommended
Computer
100% DirectX 9.0b compatible computer
Processor
Intel PIII 1 GHz or AMD Athlon 1 GHz
1.6 GHz AMD or Intel processor
Operating System
Windows 98/98SE/ME/2000/XP
RAM (Win 98)
128 MB
512 MB
RAM (Win ME/2000/XP)
256 MB
512 MB
Hard Disk Installation
4.0 GB
CD ROM or CD/DVD ROM Drive
4X
DirectX
Microsoft DirectX 9.0b is included. Note: DirectX may require the "latest" drivers for your particular hardware.
Video Card
32 MB OpenGL 1.4 compatible PCI or AGP 3D Hardware Accelerator with Hardware Transform and Lighting (T&L) Capability required
ATI Radeon 9200 or better, NVidia GeForce4 Ti or better
Supported Chipsets at Time of Release
ATI Radeon 8500/9000/9200
ATI Radeon 9500/9600/9700/9800
NVIDIA GeForce 2/3/4 family
NVIDIA GeForceFX family
Additional Chipsets supported. For a complete list of supported 3D cards, please consult the Troubleshooting guide, or visit the Technical Support section of the LucasArts Website at www.lucasarts.com.