hello all I have no idea how to get the codes to work I have tried to download and install the new key but it doesn't unlock the films etc
is there a idiots guide anywhere as i really am stuck,I have also read about a cable i might need is this so,I purchased a pen drive but no cable
please help,the person i brought the box from says that the films cant be viewed anymore!!

i need it explained truly in a simple form
thanks alot