Crack funzt habe es selbst getestet,alles einfach nach der reihenfolge so machen wie Beschrieben.
How to install:
1. Disconnect your internet connection.
2. Copy the content of the folder "Step 1" in the instalation folder of the game.
3. Enter in the GTA IV folder and double-click "loader2.exe". Wait, then press next. Type 1234 in the box and press activate. After that, press "Activate manually" and type 1234 again. Prees Activate and you'll see a window which says it's activated. Press OK and then Cancel.
4. After that, copy the files from the "Step 2" folder in the instalation folder.
5. Double-click the desktop shortcut of the game and the game should start