The following trick is for Windows XP with Service Pack 2 genuine.
This procedure described below will allow you to bypass the Microsoft Genuine Validation.
I hope this is the best way to make your copy of windows Xp genuine.
Click Start and then go to run and type ‘regedit’
Registry window will be opened, Then Go to
And double click on it. Then change some of the value data to any thing.
Go to start > run > “%systemroot%\system32\oobe\msoobe.exe /a” (again, don’t type the quotes)
The activation screen will come up, click on register over telephone, then click on CHANGE PRODUCT KEY, enter in this key: JG28K-H9Q7X-BH6W4-3PDCQ-6XBFJ.
Now you can download all the updates without activating, and the Genuine Microsoft Validation will irritate you No more.
Note: This works better after reformatting
Or else do you want to download the crack for XP,XP home,XP 2 and Vista, I am placing it in a zip folder pls download it from the below link