Change the Registered User Information Windows 2000/2003/XP/Vista
Run the (REGEDIT.EXE).Open HKEY_LOCAL_MACHINE\ SOFTWARE\ Microsoft\ Windows NT\ CurrentVersion.To change the values of theRegisteredOrganization, RegisteredOwner, or ProductId, simply double-click on them.
- Note: This will only change the registered user information for Windows, not for the applications on your system.