here they are :
————————————————–
Minimum Requirements
1, 4 GHz Prozessor (Celeron / Duron)
512 MB RAM
ATi Radeon 9200 / GeForce 4

Optimum Requirements
2, 5 GHz Prozessor (Athlon XP / Pentium 4)
1 GB RAM
ATi Radeon 9800XT / GeForce FX 5900