I did it with mine, plus when I put in a replacement hard drive it wanted me to register again. The best part is that I got a free 6- issue subscription to the electronic version of Macworld. If you're looking for the technical manuals (tear down and individual part numbers) I have those too (for free). Eric On Sep 5, 2007, at 3:43 PM, Fast Primes wrote: > When one buys a used Mac, how do you contact Apple to let them know > you are the new owner of serial# 9999 and may need one or more of > the following: > > - software updates > - clean install disks > - manuals > > How does Apple look at users who have bought used machines? > > Thx. > > FP >