To run the GTA 4 system requirements, you will need an ATI Radeon X1900 GPU, an AMD Athlon 64 X2 TK-55 processor, 1GB of RAM, and 16GB of free HD or SSD space. The GTA 4 PC requirements ask for at least 16GB free storage space. The minimum RAM requirement from Rockstar is 1GB, but your PC is likely to massively exceed this …
