Find and install add-ons to add features to Firefox | Firefox Help
Sep 19, 2025 · You can install different types of add-ons, such as extensions to add features to Firefox and themes to change its appearance. Learn more.
Using the Java plugin with Firefox - Mozilla Support
May 29, 2012 · Using the Java plugin with Firefox Created: 5/29/12 64% of users voted this helpful REDIRECT Use the Java plugin to view interactive content on websites Share this article: …
How do I add Java 8 SE to my browser - Mozilla Support
Jan 1, 2015 · De-selecting this option will prevent Java applets from running in any browser and the Java plugin will no longer appear in the Firefox Add-ons Manager. Make sure that Enable Java …
Multi-Account Containers | Firefox Help - Mozilla Support
Oct 19, 2025 · Multi-Account Containers is an extension developed by Mozilla that allows you to separate your browsing experience into different color-coded tabs, to help protect your privacy. By …
Why do Java, Silverlight, Adobe Acrobat and other plugins no longer ...
Mar 7, 2017 · Since Firefox version 52 was released March 7, 2017, installed NPAPI plugins have not been supported in Firefox, except for Adobe Flash Player. Some of the plugins that no longer load in …
Re-enable add-ons that were disabled when updating Firefox
Jun 16, 2025 · When you update Firefox, it automatically checks your add-ons and updates them to compatible versions when possible. If an add-on can't be updated and is no longer compatible, …
installation of battlefield 3 browser plugin doesn't seem to work but ...
Nov 21, 2013 · Why can't you fix the Firefox browser problem of constant Crashes, after the Flash plugin is install? A problem with the x64 Windows nightly build and Java plugin How do I get the Tenvis, …
Client Challenge - Mozilla Support
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Refresh Firefox - reset add-ons and settings | Firefox Help
If Firefox isn't working correctly, the Refresh Firefox feature can help. It restores Firefox to its default state while keeping your essential data like bookmarks and passwords. This can fix problems caused …
How do I install the Flash plugin? - Mozilla Support
May 29, 2012 · REDIRECT Install the Flash plugin to view videos, animations and games Share this article: http://mzl.la/1xKtl5j These fine people helped write this article: