You could use Nero Vision, or DVD Shrink, though that is no longer made and may fail on some more modern DVD's. Or you could buy some dual layer discs, but you'll still have to strip the encryption. Also try DVD Decrypter.
dvd shrink and dvd decrypter are no longer available it seems,perhaps someone can help.i will buy some daul layered disks,but i need a programe or software,and advice please help