Editing Your Profile
To edit your profile, click your name/email address in the Account Menu. It's the fist item in the menu.
The Profile Page
The profile page shows basic information as well as some behavioral information. It doubles as an ID card and a stats card.
To edit your profile, click the blue "edit" button. Name and email are both required fields. Phone number is only required for Two-factor Authentication.
To change your password, click the "Change Password" link in the edit form. This is covered in detail under Resetting Passwords.