You can edit your profile by tapping the MENU SYMBOL ( ☰ ) then choose My Profile then on the top right corner of the screen you can tap the three vertical dots and choose the Edit Profile.
You can change your password in two different ways
By tapping the MENU SYMBOL ( ☰ ) then choose My Profile then on the top right corner of the screen you can tap the three vertical dots and choose the Change Password.
You can reset lost or forgoten password by tapping the "Forgot Password" on the log in menu screen. You will then receive an email with an instruction and password reset link.