I really want to play this game without (lag), thats why i need some help to say which things i need to get better to play this game without (lag)..

Card name: NVIDIA GeForce 7500 LE
Processor: Intel(R) Core(TM)2 CPU 4300 @ 1.80GHz (2 CPUs), ~1.8GHz
Memory: 1022MB RAM
DirectX Version: DirectX 10

Say to me if you need to know some more..