Do you ever wish to know if someone used your Windows computer without your permission? Few people know that an inbuilt utility named Event Viewer can help them out and tell lots of information like the start-up and shutdown time of their computers. To do this, one simply needs to open Event Viewer and filter the logs to see the required details.
https://fossbytes.com/how-to-find-logged-into-windows-pc-given-time-event-viewer/