At the moment I'm running XP home on my pc and have a 40 gb hard drive.........I may want to put this hard drive in to another PC and get a bigger Hard Drive for this one............what will the problems be when I try and activate XP........plus will the version I have of XP on this PC operate the other PC ??............it is a legit copy of XP sp2 i brought and registered in november..if i have to purchace another copy for £50. i dont mind or i've a version of ME......that works no problem..........but after using XP I like it so much easier............with 2 teenagers sharing this PC...

You will be able to reinstall xp on your new drive.
You will then have to reactivate.

Here is a microsoft page:


http://support.microsoft.com/default...b;en-us;302878


You can use your old drive as you please but your xp will not work on another computer.