copied from a previous thread (btw why use up that new "good" key why not just generate a new one with the keygen ????
)) anyway ...
1. Run a system restore to create a new checkpoint in case you need it.
2. Run regedit and go to: HKey_Local_Machine\Software\Microsoft\WindowsNT\Current Version\WPAEvents, on the right double click on "oobetimer" and change(or delete) at least one digit of this value to deactivate windows.
3. Choose run from start menu and type in this command:
%systemroot%\system32\oobe\msoobe.exe /a to get the activation screen and go to the second option which is activate by phone.
4. In the new screen choose the option to change product key, and type in the new product key
5. If it brings you back to the prior screen after entering the new key click remind me later and then reboot.
6. Close that window, reboot your system and enter the command in step 3 for the second time to verify your activation , you should see "windows is already activated".
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