Settings: Browser Help Mozilla Firefox

Steps to Open PDFs in Mozilla Firefox

1. Open the Firefox Menu by clicking the 3 line icon in the upper right area of your Firefox browser.  Then select Settings..
2. A new window will open, at the top of the screen is a search field labeled 'Find in Settings'.  Enter the term PDF.  This will scroll down to the Applications section.  
3. Ensure that the Action selected is 'Open in Firefox'.  This will allow you to open any PDF in the browser. 
4. To save/print the PDF that you've opened in the Firefox Browser to your device,  select the printer icon at the top right of any document you've opened and choose to print OR save it.