find out if its stolen

Solution


Take the serial number to your local police.

Where did you buy it? Why would you suspect 'stolen'?


Take the serial number to your local police.

Where did you buy it? Why would you suspect 'stolen'?
 
Solution
Also, for any used PC, the first thing you need to do is a full wipe and reinstall of all drives in the system.

For your protection and theirs.
You have no idea what the previous owner(s) had in there.

Wipe and reinstall.