You'll have to format the hard drive that currently has Windows XP on it, then install Windows XP on the other computer. You'll then need to call Microsoft to explain what you did so you can get a new registration number.
I have a question... I got a damaged hard drive for this computer I was building a few months ago and didn't realize that it was damaged in shipping until I had it up and running for a few weeks and it crashed. I had to reinstall me, would I need to do the same thing with the registration number, or would what I did not matter?
If you're just reinstalling on the same computer, you don't need to call Microsoft. If you're replacing the hard drive in the computer you shouldn't need to call them either. You can change a certain amount of the hardware without having to re-register. You can read up on this at Microsoft's web site.
yes you have to re-activate windows xp if you want to switch it to another pc. you will have to call MS and tell them or else they'll think you're pirating. You can change about 6 hardware devices in your pc before having to re-activate, if you do not change your network card. once you do that, then it's like 3 devices or something. for oem boxes (i.e. Dell, Gateway) with preloaded copies, you can change as many hardware devices as you want until you change the motherboard, because the WPA (Windows Product Activation) is not tied to the specific hardware but the BIOS identifier, so if the board gets replaced then you have to reactivate. it's confusing yes, and lots of thanks to ms for incorpoorating such a confusing activation scheme. btw, xp rocks nonetheless. it's by far better than all the other os's out there. faster, stabler, much more compatible with hardware. except for modems. i've heard horror stories so far about modems. you'd think with all the new hardware ms could get modems to work to be compatible with their software. oh well. i'm running a win xp pro standalone box and it just rocks. gotta go now, later!
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