Your username is visible in your profile page URL, as well as on all your posts and comments.
Changing your username
- Click the "user icon" in the top-right corner of any page to access the main menu
- Click "Account settings"
- Scroll down to the section "Account access via email"
- Enter a new username and confirm by clicking on "Save" at the bottom of the "Account settings" page
► Important: You can only change your username once!