This tutorial goes over how to write on a PDF and save a copy of your filled out document. 

• The first option requires either the Firefox or Microsoft Edge web browser and is compatible with Chromebooks, Apple and Windows computers and laptops. 
• The second option is compatible with Apple computers only.

Fill out a PDF using Firefox or Microsoft Edge web browsers

Click to Watch: How to Fill out PDF's using Firefox or Chrome.

Fill out a PDF using Preview on a Mac computer

Click to watch: How To Use Mac Preview PDF Markup Tools.