Windows Update feature with out Microsoft Registration.

Would you like to use the Windows Update feature without being forced to register with Microsoft? OK then, this is what you can do:


Launch  Regedit.
Start .....> Run type regedit
Search for below key 
 HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion.
Look for a value named RegDone. If it isn't there create a new value with that name.
Right click the new value and choose Modify. Make the value 1.