The current GTA V game cracks being distributed in the country are steam cracks. So what I did was purchase that (8DVDs), and installed it.
1- Started steam download, stopped it, (closed steam) then put the game files I installed from the DVDs in the folder: "SteamApps\common\Grand Theft Auto V"
2- Edit the manifest file to
http://steamcommunity.com/app/271590/discussions/0/611703898451859685/#c611703898452333111
3- Open steam, it will detect some corrupt files and will ask for an update (around 2-2.8 GB). after that the game runs fine :)
You can remove the content of the downloading folder as it will still reserve like 62GB there.