Refer to this article if your version is above 7.4.1

The article is about how to log out of the OrangeHRM system. Once the user logs in to the system as it is possible to log out from the system by following the below steps. 

Step 1 - From the navigation panel, click the down arrow icon as shown in the screen below. 

Step 2 - Click "Logout"

Upon clicking the "Logout", the system will navigate the user back to the login screen.