OS: Windows XP SP2 -Check
Processor: Dual core processor (Intel Pentium D or better) -I have AMD Athlon 64 3500+ ~2.2ghz, is this fine?
RAM: 2GB - I have 1.5GB
Hard Drive: 18GB free hard disk space - I don't think it will be actual size, real size will be like 5-8GB.
Video Card: 512MB Direct3D 10 compatible video card or Direct3D 9 card compatible with Shader - What is Shader? Like Shader Model 3 or something? If so I gotta get new video card.