You can open the Psychology Forms Filler in two ways. 

When you sign in to your BetweenSessions.com account and click the button Edit/Send by any form, it will open the Psychology Forms Filler.

You can also open the Psychology Forms Filler from the top navigation.  You will then see a screen where you can upload any PDF to edit and send to a client.   See the tutorials below on sending and editing with the Psychology Forms Filler. 

Basic Editing

Sending Forms and Assignments to Clients