Windows Spotlight feature included by default in Windows 10. It displays the image on the lock screen of Windows 10. Users are given an opportunity to mark whether they wish to see more or less images of a similar type.
How to enable Windows Spotlight
1. Open up All Settings from the Task Bar.
2. Navigate to Personaliztion.
3. Choose Lock screen
4. Under Background select Windows spotlight from the menu
Eventually, you should see a 'Like what you see?' dialog on the lock screen in the upper right-hand corner. Selecting this brings up an 'I like it!' and ''Not a fan' menu choice where you can register your vote.
This article is a stub, an article too short to provide more than rudimentary information about a subject. You can help the Microsoft Wiki by expanding it.