最低配置：
windows xp sp2 or windows vista sp1
p4 3.2 ghz (single core) or any dual core processor
1 gb ram (xp), 1.5 gb ram (vista)
a 128mb video card (shader model 3) - nvidia geforce 6600 gt / ati x1600, or equivalent
5.5 gb of hard drive space
建议配置：
windows xp sp2 or windows vista sp1
amd athlon 64x2 4400+ or any intel core 2 duo
2 gb ram (xp and vista)
a 256mb video card (shader model 3) - nvidia geforce 7800 gt / ati x1900, or equivalent
5.5 gb of hard drive space
