Forgive me if this seems like a silly question but I'm away from my home computer and can't verify it myself.
Anyway, I recently sold an extra copy of Bloodlines on Ebay. Yesterday, I received an e-mail from the guy who bought it wanting to know where the cd key/installation code was. Correct me if I'm mistaken, but Vampires doesn't require a CD key for installation does it? I don't remember it needing one and I sent him an e-mail to that effect. It makes me wonder if he even tried to install it and just assumed that since he didn't see a serial number listed on the jewel case, it must be missing. Many thanks.
Mine didn't require a key, either. I installed it on two systems (calm down, they're both mine and the first is eventually going to be wiped) without any problems.