You will be prompted to enter your email address, and if it is associated with your account you will receive an email from Submittable containing a link highlighted in blue as shown below.
Clicking the link will direct you to the RESET YOUR PASSWORD form shown below where you will type in your new password twice to confirm the correct spelling. Your password must be at least 6 characters long.
When clicking the link, If the full URL does not get inserted into your browser address bar then you will not be directed to the form (above) where you can enter a new password. To solve this problem copy the entire URL from the email and paste it into your browser address bar.