Windows
OS: XP Service Pack 3 
Processor: 2.0 GHz Pentium 4 or equivalent 
Memory: 3 GB RAM 
Graphics: ATI or NVidia card w/ 512 MB RAM (Not recommended for Intel integrated graphics) 
DirectX: Version 9.0c 
Hard Drive: 2 GB available space 
Sound Card: Direct X 9.0c sound device