The Steps Recorder can record usage steps, including pictures of your screen. Microsoft describes its purpose with these words:
Steps Recorder (called Problems Steps Recorder in Windows 7), is a program that helps you troubleshoot a problem on your device by recording the exact steps you took when the problem occurred. You can then send this record to a support professional to help them diagnose the problem.
We recommend to disable this feature unless you are asked to use Steps Recorder by a trusted person.