1.) Press Windows+R and type regedit.
2.) Click File – Export and save a copy of your registry in case something goes wrong.
3.) Expand HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\WindowsNT\CurrentVersion\WPAEvents.
4.) Double click 00BETimer and delete all of the values.

5.) Type FF D5 71 D6 6A 8D 6F D5 33 93 FD and save the changes

6.) Right click the WPAEvents folder and click Permissions.

7.) Select SYSTEM and then the Deny Full Control box

8.) Click start and select Activate Windows. Ifyou don’t see the option, open the Run box and type %systemroot%\system32\oobe\msoobe.exe /a

9.) If you see that it says Windows is already activated then you have done this correctly. If not, continue following the instructions.

10.) Click Activate on the Phone and then Change Product Key

11.) Enter THMPV 77D6F 94376 8HGKG VRDRQ / H7C97 C67JB G6RQR P6H2Y TMQ6W as the product key

12.) Click the Update button and then select remind me later

13.) Restart your computer.


  1. What the author omits to inform us is that the keys are only valid for the corporate edition of XP which normally requires Volume License keys.


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