1/ Download the crack from torrentz.in.
2/ Disconnect your Internet connection.
3/ Copy the file under the crack folder and Paste it to the game's file location (C:\Program Files (x86)\Black_Box\Tom Clancys Ghost Recon Future Soldier). If it ask to replace or skip, click on Replace the file.
4/ Double click on the icon which is available in your Desktop, "Tom Clancys Ghost Recon Future Soldier" to launch the game.
5/ Logout if you have logged in.
6/ Go to settings, and check the box start the launcher in offline mode, Apply
7/ Login by the default name SKiDROW and type the password 123456.
8/ Dont click on Reconnect just click on Play and enjoy the game.
You can watch the video tutorial by clicking the link http://youtu.be/6_VY_UmND80