A brief video of how to request a password change is available here. A second brief video is available here which walks through the process once the Password Reset email has been received.
Your password can also be changed from the Account Settings page, which can be found by clicking your name in the top right corner of the Dashboard.
To reset your password:
1. Go to the home page
2. Click the "Log In" tab
3. Select `Forgot Password`
4. Enter your email and click "Reset Password"
5. An email will be sent to you which should include a link to the portal where you can reset your password.