How do I unhide the smart app lock?

[AC Question]

unhiding smart app lock

how to unhide smart app lock after hiding

 

[amit_ac1981]

search for widget and add it to home screen...change the settings and delete widget

 

[Renjith N K]

Dial #000
system automatically take you to Smart lock initial screen..

 

[srithambu]

I forgot my password for smart lock. i have only option to open app using widget. But using widget i m not able to open, it asks for password when i click the widget in home screen. after entering password it just show the green symbol like lock in my app widget, no other response.