Hello,
since nobody answered my question in the Bitdefender 2013 forum, I post it here again:
Is it possible to use Bitdefender IS 2012 with a Bitdefender IS 2013 key?
I need an answer to that question within the next 2 days or I will have to request a refund.
Related Thread: http://forum.bitdefender.com/index.php?showtopic=38452
Greetings