i have a intel pentium dual cpu E2180 @ 2.00 ghz, 2 gb ddr2 ram and nvidia 9400 gt md 512 graphics card. i need optimail graphic configuration for gta 4 so i can play widout lag.
Upgrade your video card, check the options for gaming in my sig. You may need a faster CPU as well, or at least to lower video detail till you find a spot that will run well for you.