How To Check If Your PC Was Used In Your Absence

Do you want to know that your pc was used in your absence?
Just follow these simple steps:

✎ Goto Run and type eventvwr.msc in the dialogue box.

✎ Events(sessions) are stored in three log files:application,security and system.


Note: 

These log files can be reviewed and archived.

✎ Choose 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.

✎ You can also use this log to see how long was someone on the computer.

✎ Now you can look at the time the computer was turned on and off.