From creating your FSA ID (the first step in filling out the FAFSA®), to what to expect once your FAFSA® is submitted, these helpful videos from Federal Student Aid will walk you through every step of the process. 

How to Create an Account Username and Password (FSA ID)
FAFSA Overview
How to Fill Out the FAFSA®
FAFSA®: Determining Your Dependency Status
Overview of the Financial Aid Process
After the FAFSA®: What Happens Next