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Why do Java, Silverlight, Adobe Acrobat and other plugins no longer work?
Since the release of Firefox version 52 in March 2017, NPAPI plugins no longer load, except for Adobe Flash. Learn more about this change.
Update Firefox to the latest release
Firefox automatically updates itself by default but you can always do a manual update. Learn how to update Firefox on Windows, Mac or Linux.
Firefox options, preferences and settings
The Options/Preferences panels give you access to Firefox settings. This article describes what types of settings are available in each panel.
Get started with Firefox - An overview of the main features
Learn about the basic features of Firefox (bookmarks, tabs, search, add-ons, page actions and more) and find links to more articles to explore.
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