1. Click on the User Menu (little head and shoulders icon).
2. At the bottom of this menu you will see a logout button.
You will not be signed out of your ArtTutor account unless you either click the logout button or close your browser and then clear your browser's cookies and cache.
When should I sign out?
You should sign out from your ArtTutor account if you are using a public computer.
If you stay signed in when using a personal computer or device, especially a computer with a lock code or password, it will save you time having to sign in each time.