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Manage preferences and add-ons

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This article applies only to Windows 10. When you upgrade to Windows 10, you may inadvertently reset your default browser to Microsoft Edge. Follow these steps to change a default browser back to Firefox. Click the menu button , then choose Options. In the General
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Add-ons are like apps that you install to add bells & whistles to Firefox. You can get add-ons that compare prices, check the weather, change the look of Firefox, listen to music, or even update your Facebook profile. This article covers the different types of add-ons available
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Adobe Flash Player is a plugin that allows browsers such as Firefox to display Flash media on web pages. Flash is often used for animations, videos and games. This article explains how to install Flash. When you visit a webpage that uses Flash and the plugin is missing, you will see
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This document explains all of the settings available in Mozilla Firefox for controlling pop-ups. Table of Contents1 What are pop-ups?2 Pop-up blocker settings3 Pop-ups not being blocked3.1 Is the pop-up coming from Firefox?3.2 Is the pop-up blocker on and enabled for this site?3.3
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The Adobe Flash Player browser plugin lets you view video and animated content in Firefox. This article has information about testing, installing, updating, uninstalling and troubleshooting the Adobe Flash plugin. Note: The Firefox Software Update feature does not update installed
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This article describes the settings that are available in the General panel of the Firefox OptionsPreferences page. The General panel allows you to: Set Firefox to check if it is your default browser at startup and make Firefox the default. Set what page(s) Firefox displays when
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Support will end for all NPAPI plugins except for Flash in March 2017, when Firefox version 52 is released. See this compatibility document and this article for details. Beginning with Firefox version 52, support has ended for all NPAPI plugins except for Adobe Flash. See this
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This article explains the settings available in the Advanced panel of the Firefox OptionsPreferences page. These are settings that aren't used very often, such as proxy settings and various other advanced settings that only some people need. Table of Contents1 General tab1.1
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This article describes the Search panel of the Firefox OptionsPreferences page. This is where you can add or remove search engines, change which search engine is used by default and set whether or not search suggestions are displayed. To open the Search panel, click the menu
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Extensions, themes, and plugins are all types of add-ons for Firefox. This article describes how to disable and remove add-ons in Firefox. Table of Contents1 How to disable extensions and themes2 How to disable plugins3 How to remove extensions and themes4 How to uninstall plugins5
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This article describes the settings that are available in the Firefox OptionsPreferences Privacy panel. The Privacy panel allows you to: Control how Firefox handles your history, which includes what pages you've visited, what files you've downloaded, what you've entered
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This article describes what JavaScript® is and how to allow or block it on certain websites. Table of Contents1 What is JavaScript?2 Allow and block JavaScript on certain domains What is JavaScript? JavaScript is a standard programming language that can be included in web pages to
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Support will end for all NPAPI plugins except for Flash in March 2017, when Firefox version 52 is released. See this compatibility document and this article for details. Beginning with Firefox version 52, support has ended for all NPAPI plugins except for Adobe Flash. See this
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A theme is a type of Firefox add-on which changes the visual appearance of Firefox. This article describes how to find, install and manage themes in Firefox. Table of Contents1 What are themes?2 How to install themes3 Managing themes3.1 How to switch themes3.2 How to remove themes4
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The Configuration Editor (about:config page) lists Firefox settings known as preferences that are read from the prefs.js and user.js files in the Firefox profile and from application defaults. Many of these preferences are advanced settings that are not present in the OptionsPreferences
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This article will describe how Firefox handles downloads for different types of files and how you can change that behavior. For help with download problems, see What to do if you can't download or save files. For help with embedded media on web pages, see Fix common audio and
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Language packs are add-ons that let you to have more languages available for the user interface of Firefox. This article describes how: Find, install and manage language packs in Firefox. Change the selected language for the interface of Firefox. You always can to get Firefox
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The Content panel in Firefox OptionsPreferences includes settings related to how a website's content is displayed. This article explains what settings are available. Table of Contents1 Content Settings2 DRM Content3 DRM Content4 DRM Content5 Notifications6 Pop-ups7 Fonts &
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Support will end for all NPAPI plugins except for Flash in March 2017, when Firefox version 52 is released. See this compatibility document and this article for details. Beginning with Firefox version 52, support has ended for all NPAPI plugins except for Adobe Flash. See this
View full article
Support will end for all NPAPI plugins except for Flash in March 2017, when Firefox version 52 is released. See this compatibility document and this article for details. Beginning with Firefox version 52, support has ended for all NPAPI plugins except for Adobe Flash. See this
View full article