Updating xp license key
The Use a Script method is best when you have a number of computers on which you have to change the product key.Legal Note: Make sure you understand that this method is indeed legal.What you do in your own house/office is your own business, and I cannot and will not be held responsible for your actions.
These scripts perform the following functions: You can create a batch file or a CMD file that uses either of the following sample scripts, together with the new product key as an argument, and either deploy it as part of a startup script or run it from the command line to change the product key on a single computer.
This is rejected as being incorrect for the installed version. Microsoft phone support were quite aloof and of no help, saying that they would need to know what the tech had installed. XP setup will scan the qualifying CD and instruct you to replace it with the XP CD to continue XP setup.
Said tech has since gone out of business and is nowhere to be found. Clean install qualifying media can be any of the following Win NT3.51, 4.0, 2000, Win 95, 98, Me and XP Home when upgrading to XP Pro.
If you make any error while editing the registry, you can potentially cause Windows to fail or be unable to boot, requiring you to reinstall Windows. Always back up the registry before making any changes.
If you do not feel comfortable editing the registry, do not attempt these instructions.
See Change the Windows XP Key - How To Change the Windows XP Product Key Code - Change XP CD Key & How to change the Windows XP Product Activation Key Code for instructions.