On the Sign In page, click on the "Forgot Password?" link at the bottom of the login section.
Enter your registered email address in the space provided and click "Request Password Reset." A password reset email will be sent to you.
Click on the "Reset Password" button in the email. You will then be sent to a page asking you to enter your email address and new password. The new password must be entered twice to confirm.
After you change your password, you will receive this confirmation email: