

Press WIN+R keys together to launch RUN dialog box. N
ow type regedit and press Enter. Itll open Registry Editor.

Now go to following key: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\PasswordLess\Device
Double-click on DevicePasswordLessBuildVersion and change its value to 0

Open control userpasswords2 or netplwiz programs and youll get Users must enter a user name and password to use this computer checkbox back.

