Enable User Logins

 
To enable user logins, click on the "Security" tab then on the "Security Settings" button:

 
Then check the "Enable User Logins" option:
 
Click this button to save and close the security settings form:
 
This way, the next time you launch the application, you will be asked to enter a username and password:
 
Note that to enable user logins, the special user 'admin' must either have a valid email address or have an empty password. See this article for more details about the 'admin' user.


You can also choose to end a session after a certain period of inactivity. To do this, check the "Lock application when inactive" option and select the desired period:
 
After the chosen period of inactivity, the application will be blocked so that other users cannot use the session of the previous user.