Start Firefox in incognito mode automatically

 Mozilla Firefox has a tool that lets you surf the Internet without your browser saves your tracks navigation (more info here).  You have the ability to automatically start this mode by opening your browser with a small parameter that must be addressed.To do this follow these steps:
•  Open Mozilla Firefox
•  Click on the Tools menu,
•  Click on Options
•  In the new window that appears, click on Privacy,
•  Check the Automatically start Firefox browsing session private
•  Click OK to confirm your change.