Download Firefox Systems and Languages What's New Privacy Give Firefox a tune up Refresh Firefox How does it work? Download a fresh copy Customize settings and preferences Make Firefox yours through customization settings and add-ons All All articles and threads Import settings from other browsers Video, audio and interactive settings Display and appearance Manage add-ons In English Make Firefox your default browser on Windows Add-on Badges Firefox options, preferences and settings Manage local site storage settings Does Firefox share my location with websites? Connection settings in Firefox Personalized extension recommendations Make Firefox your default browser Global Privacy Control Open Firefox automatically when you start your computer Automatically fill in credit card and payment method data on Web forms Firefox's performance settings Pop-up blocker settings, exceptions and troubleshooting Tips for assessing the safety of an extension Back up and restore information in Firefox profiles How to set the home page Share data with Mozilla to help improve Firefox Recommendations from Firefox Use the Firefox Sidebar to access bookmarks, history and synced tabs Change your default search settings in Firefox Restore previous session - Configure when Firefox shows your most recent tabs and windows An extension changed my New Tab page or home page How do I restore my tabs from last time? Use Firefox in another language Search with the Firefox address bar Add or remove a search engine in Firefox Change the program used to open email links How do I use the Firefox spell checker? Manage extension shortcuts in Firefox Recovering important data from an old profile View PDF files in Firefox or choose another viewer Control audio or video playback with your keyboard Customize your New Tab page to hide or display content Cannot remove an add-on (extension or theme) Choose display languages for multilingual web pages Access hidden tabs in Firefox Importing Safari data into Firefox Block and unblock websites with parental controls on Firefox Assign shortcuts to search engines How to use collections on addons.mozilla.org Disable high contrast mode in Firefox Configuring Networks to Disable DNS over HTTPS Firefox Notes status End of support for Adobe Flash Mozilla Voice Server Proxy Retiring Closing multiple Tabs - option to disable warning How to disable the built-in PDF viewer and use another viewer Feed reader replacements for Firefox