Make your Windows XP Genuine

1 . start > run > ” regedit” (without the quotes of course)

2 . Go to the key:

HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\WindowsNT\ CurrentVersion\WPAEvents\OOBETimer
…and doubleclick on it.
Then change some of the value data to ANYTHING ELSE…delete some, add some letters, ..just change it! now close out regedit.
3 . Go to start > run > “%systemroot%\system32\oobe\msoobe.exe /a” (again, don’t type the quotes)

4 . The activation screen will come up, click on register over telephone,>next> then click on CHANGE PRODUCT KEY, enter in this key:

JG28K-H9Q7X-BH6W4-3PDCQ-6XBFJ and give update.

(Now automatically window will return back to activate by telephone mode and ask for activation code,just ignore and exit that window it’s done)