To change Windows Owner Name edit the Windows Registry:
1. Click the Start button then Click Run. Type regedit in the blank, and then click OK.
2. Then go to
HKEY_LOCAL_MACHINE > Software > Windows NT
3. Click the CurrentVersion registry key.
4. In the right window pane, double-click the RegisteredOwner
5. Then Edit RegisteredOwner to change the name of the owner.