Ok, I wanna do a fresh install of XP on one of my systems. I've got 3 desktop systems all with the same
version of XP and all 3 CD's are identical with the exception of the CD key.
The problem I have is I don't remember which one went to which computer. I don't want duplicate copies across two computers since that will trip the copyright protection. How do I figure out which one went to which?
...Or am I overthinking this...I'm not having a good morning, since the system we use for e-mail, banking etc. went to pot and I'm trying to get it back up asap.

