avg 7.5

i am running avg 7.5 at my office and it has the latest update soo far. But i have a pc in the home which runs on avg 7.1 but can not update since i am not connected to the internet.
is there a way i can update it manually.
i tried to copy the complete folder of my avg 7.5 folder to update the one in the home but did not work.
i need heeeeeeeeeeeeeeeeelp