Making Windows XP Genuine

* Click on Start and then Run.

* In the text box in the Run window, type regedit and click OK. This will open the Registry Editor program.

* Locate the HKEY_LOCAL_MACHINE folder under My Computer and click on the (+) sign next the folder name to expand the folder.

* Continue to expand folders until you reach the:

HKEY_LOCAL_MACHINE\Software\Microsoft\WindowsNT\Current Version\WPAEvents registry key.

* Click on the WPAEvents folder.

* In the results that appear in the window on the right, locate OOBETimer.

* Right-click on the OOBETimer entry and choose Modify from the resulting menu.

* Change at least one digit in the Value data text box and click OK. This will deactivate Windows XP.

* Click on Start and then Run.

* In the text box in the Run window, type the following command : %systemroot%\system32\oobe\msoobe.exe /a
now click OK.

* When the Windows Product Activation window appears, choose Yes, I want to telephone a customer service representative to activate Windows and then click Next.

* Click Change Product Key.

* Type your new, Genuine Windows XP product key (JG28K-H9Q7X-BH6W4-3PDCQ-6XBFJ) in the New key text boxes and then click Update.

* If you're taken back to the previous screen and prompted, choose Remind me later.

* Restart your PC.