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Since the release of Firefox version 52 in March 2017, NPAPI plugins no longer load, except for Adobe Flash. Learn more about this change.
The Options/Preferences panels give you access to Firefox settings. This article describes what types of settings are available in each panel.
Firefox warns you when a login form is not secure and your information could be stolen.
Firefox automatically updates itself by default but you can always do a manual update. Learn how to update Firefox on Windows, Mac or Linux.