Posted 14 September 2018 - 09:13 AM
The Lock Screen is configured under Settings, Personalization, Lock Screen.
The default behavior is to use "Windows Spotlight" to choose the photo that gets displayed. I have not played with the other options, but they include the option to choose a fixed picture from one's own computer or a slideshow of pictures from one's own computer that are all in one folder.
Brian AKA Bri the Tech Guy (website in my user profile) - Windows 10 Home, 64-Bit, Version 1809, Build 17763
Presenting the willfully ignorant with facts is the very definition of casting pearls before swine.
~ Brian Vogel