How to Back up your Product Activation Files
Last week, we talked about reformatting the hard disk and reinstalling XP. But do you have to go through the whole product activation hassle again when you do that? Actually, there's a way around it. Before you wipe out the current installation, backup your product activation files and then you can restore them to the new installation. Here's how:
To restore the files, start the computer in Safe Mode and copy them to the same directory (\WINDOWS\System32).