Hijack the Ease of Access Button
https://www.howtogeek.com/113267/how-to-take-screenshots-of-the-windows-logon-screen-2-geeky-tricks/
How to Set a Custom Logon Screen Background on Windows 7, 8, or 10
https://www.howtogeek.com/112110/how-to-set-a-custom-logon-screen-background-on-windows-7/
How to Customize the Lock Screen on Windows 8 or 10
https://www.howtogeek.com/134727/how-to-customize-the-lock-screen-on-windows-8/
