Windows 10 brings a unique feature to the table with Windows Spotlight. The option lets you set your lockscreen on your PC or tablet to auto-rotate through a preselected group of photos picked by Microsoft. At the top of the right-hand corner, you can give a thumbs up or down if you liked it like Pandora. If you gave it thumbs down, off it goes. A thumbs up, however, will produce similar images on the next run.
You can read our tutorial on how to get it working if you are new to Windows 10: How to enable Windows spotlight in Windows 10 to keep your lock screen awesome
Full story from the WindowsCentral blog...