Click on your name or avatar to display the user menu. Items in the menu include:
User Preferences (your preferences for page layout and colors)
Software Info (software version and release information)
Get Support (submit support requests online)
Authenticator Settings (follow the steps to set up an Authenticator app for two factor authentication)
Change Avatar (add or change your picture)
Change Password
Logout (you may also log out by clicking at the bottom left of the navigation menu)