On the Classroom, by clicking on last icon from the left-side navigation bar (gear icon) you can access the Profile Settings page.
From the Settings, page you can change your password, as well as update other information from your account (like email, name, or profile image). From here, you can also activate or disable the weekly email updates for your account.
Note: If you are having troubles logging in and would like to reset your password, please go to the sign in page and click on the “Lost your password?” link. Type in your email when requested, and check your email for further instructions. (Please make sure to check your Junk/Spam folders as well; if you are having difficulties, please contact us)