I got windows 7 , 64 bit operating systems , i got a processor of Intel (r) Core (TM) i3-4130 @ 3.40 GHz 3.00 GHz and a 4GB RAM . I have GTA 5 and i am very excited to play it but i dont have a graphics card . please help me . and i cant buy a graphics card now as i have purchased GTA 5 for my pc