How to change the serial number used in Windows XP Valid for XP Corporate

How to change the serial number used in Windows XP Valid for XP Corporate
Step 1

Open Start/Run... and type the command:
regedit and click "OK" (or press ENTER).

Go to HKey_Local_Machine\Software\Microsoft\WindowsNT\Current Version\WPAEvents,
on the right double click on "oobetimer" and change at least one digit of this value to deactivate windows.

Click "OK" and close the Registry Editor.

Step 2

Open Start/Run... and type the command:
%systemroot%\system32\oobe\msoobe.exe /a and click "OK" (or press ENTER).

This will bring up the "Activate Windows" window.

Check the option for "Yes, I want to telephone a customer service representative to activate Windows" and click "Next"


Step 3

Then click "Change Product Key" (don't enter any information on that screen)


Step 4

Type in the new key and click "Update"


The activate Windows by phone window will reappear at this point, just close it by clicking the X in the upper right hand corner

Step 5

Reboot your system and Open Start/Run... and type the command:
%systemroot%\system32\oobe\msoobe.exe /a and click "OK" (or press ENTER).

If you see "Windows is already activated" then everything is OK.

Disclaimer:-
i am not liable for any criminal or bad thing which you have done using this message and document. i am giving here for the educational purpose and care should be taken from your side before using this document and please get a written permission from the person before hacking or doing some thing in the network or system.This document is intended for judicial or educational purposes. I have collected these documents and messages from the internet for educational purpose only. always use these documents for doing good only. I don't want to promote computer crime and I'm not responible of your actions in any way. If you want to hack a computer, do the decent thing and ask for permission first. please read and use this for useful purpose only to protect the systems and information from the bad people. always seek permission from the system owner or who ever responcible for the system by written and then go ahead. Give a full report with honestly to the person or company about your experiments and findings from the system. Always Do Good Think Good and Belive Good.