To install these files, you need to prepare your Xbox 360 for manual file transfer, as shown in this Se7enSins guide.

Proper pathing is crucial: USB\Content\0000000000000000\[TitleID] . 3. Playing the Game Plug the USB into your Xbox 360. Go to in the Dashboard. Select Grand Theft Auto V.

Allows playing with a standard, un-modded Xbox 360.