thank you - you cleared a lot of that up for me. I was pretty sure I was able to deactivate windows and use the COA key to reactivate it. I might be mistaken - I lose track of what all I try sometimes. I was mainly concerned that I "used up" that upgrade cd of mine in the process of testing that process out to confirm it - since I was just planning on junking the hard drive I was installing it to. I didn't know an install cd could be activated more than once. (I'm not sure why I went and called microsoft, though, that was a little crazy.) I didn't know that was possible - that could come in extremely handy. I'm going to have to try that out. lol - I had kind of an essay question thing going on there, didn't I - sry I really do appreciate your help, though. thank you! _