If you already know your password but you want to change it to something different, please follow the directions in this article to change your password.
If you want to reset your password, please follow this article here.
1. Login to the Administration Portal http://manage.fastfieldforms.com/
2. Click on your name/email address in the top right corner of the admin portal, then click Manage
3. Now click on Change Password
4. Make your desired changes, then click Save