From here you can download GTA 4 full version for pc in 13.8 GB by torrent only.
GTA 4 Minimum System Requirements for PC
|Processor:(CPU)||Intel Core 2 Duo 1.8Ghz / AMD Athlon X2 64 2.4Ghz|
|Space required for installing game||20 GB is enough|
|Video Card:||256 MB NVidia 7900 / 256MB ATI X1900|
|OS:||Windows Vista - Service Pack 1 / XP - Service Pack 3 / Windows 7|
How to download & install Full version GTA 4 in PC
watch this video and follow steps to download GTA 4 full version for pc in 13.8GB