Steps-to-Take:
1) From your desktop, look in the lower left corner for the Start menu and click on it:
2) Next, click on the avatar in the top left column and then “Sign Out”:
Alternate method:
3) From your keyboard press the CTRL+ALT+Delete key combination. A Screen will appear with several options, one of them being “Sign Out”.
If there are any programs running, Windows will ask if you want to close them or not before logging off completely.