Digital movie and iTunes access
I have downloaded a copy of a digital movie using the CD provided on my iMac, however the movie does not appear in my iTunes and there is not a saved copy on my hard drive. However when I access iTunes via my Apple TV I can view this particular movie. How do I get a copy to appear on my iTunes account on my desktop, I have tried re-downloading the copy but it says my authorisation code has already been used..
iMac, iOS 6.0.2