1. You will need to first logout.
2. When you go to login again, if you have your browser automatically fill in your password, add a few extra characters to it to insure you're logging in with the WRONG password.
3. When you log in with your WRONG password, the error screen will have a "Forgot your password?" link at the bottom. You can use this to reset your password. You will have to access the email account you registered with for this to work.