A není to nějaké kradená Corporate verze? Proč to vůbec chceš měnit?

Nechápu, proč by tohle nemělo fungovat:

Begin by opening the Registry Editor and navigating to
HKEY_LOCAL_MACHINE\Software\Microsoft\WindowsNT \Current Version\WPAEvents
In the right pane, right-click the ODBETimer binary value and select Modify. Change at least one character of this value to either a number from 0 to 9 or to a letter from A to F, then click OK and close the Registry Editor. This renders the current product key invalid and deactivates Windows.