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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.
Firefox automatically updates itself by default but you can always do a manual update. Learn how to update Firefox on Windows, Mac or Linux.
The Options/Preferences panels give you access to Firefox settings. This article describes what types of settings are available in each panel.
Learn about the basic features of Firefox (bookmarks, tabs, search, add-ons, page actions and more) and find links to more articles to explore.