Version 4 is the final version.
Just add a picture of your face (front on) in the same directory you have downloaded this file to. Then put the full path into the source (line 14).
This application has a sys-tray icon that displays a lock countdown and provides a link to view the camera stream.
To Run this in the sys tray in the background type:
pythonw.exe "C:\Your-Path\Facial_Recognition_V4.py"
into a powersell terminal