Users have reported seeing ads for a game called “Rise of the Tomb Raider” on their lock screen. Luckily, this function can be disabled, so that you set up the lock screen to show a picture of your choice, or even a slideshow of pictures of your choice:
Step 1: left click the windows button, then click settings.
Step 2: go to personalization, and select “Lock screen” on the left.
Step 3: Change Background from “Windows spotlight” to either picture or slide show
Step 4: If you chose the picture setting, select the picture you want to use. If you chose the slideshow setting, add individual pictures, or add entire folders of pictures you want to use.
Step 5(Optional): Turn off “get fun facts, tips, tricks and more on your lock screen” if you don’t wish to see them.