Select Start > Settings. Select Personalization > Lock screen. Select the list for Personalize your lock screen, then do one of the following: Select Windows spotlight for beautiful photography that displays automatically.

Here's how you can change the lock screen photo, remove the tips, and customize other elements on the screen. First, right-click an empty part of your desktop and select "Personalize." Or you can open Settings with Windows+i and click "Personalization" in the sidebar. In Settings > Personalization, click "Lock Screen."