First you should go to or press and hold Windows key and press R key together at the same time, the run will open for you.
Start > Run > And type in this code in the space given to you by your computer: “eventvwr.msc”
Events are stored in three log files: Application, Security, and System. These logs can be reviewed and archived.
For our purposes we want the System log. Click on “System” in the left-hand column for a list of events.
Look for a date and time when you weren’t home and your computer should have been off.
double click on the Examples: info and it will show you the detail.
You can also use this log to see how long someone was on the computer. Just look at the time the computer was turned on and off for that day. Continue Reading A Cool Trick to know who used your PC in your absence…