Download Firefox Systems and Languages What's New Privacy Settings Manage and customize your product experience with settings, add-ons, and more. ទាំងអស់ All articles and threads Import and export settings Customization Add-ons, extensions, and themes In English Add-on Badges Make Firefox your default browser on Windows Firefox Page Info window Manage local site storage settings Firefox options, preferences and settings Customize Firefox controls, buttons and toolbars Connection settings in Firefox Firefox's performance settings Automatically fill in credit card and payment method data on Web forms Personalized extension recommendations Restore the Menu bar in Firefox Back up and restore information in Firefox profiles Global Privacy Control Multi-Account Containers Pop-up blocker settings, exceptions and troubleshooting Allow or block media autoplay in Firefox Automatically fill in your address on web forms Switch from Chrome to Firefox Recommendations from Firefox How to manage your camera and microphone permissions with Firefox Recover lost or missing Bookmarks How to set the home page Turn picture-in-picture mode controls on and off Tips for assessing the safety of an extension Manage your extensions using the extensions button in the toolbar Change your default search settings in Firefox Make Firefox your default browser Font size and zoom - increase the size of web pages How do I restore my tabs from last time? 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Feed reader replacements for Firefox How to use collections on addons.mozilla.org Configuring Networks to Disable DNS over HTTPS Changing your two-step authentication device for your Mozilla account My privacy settings were changed from Custom to Standard End of support for Adobe Flash Mozilla Voice Server Proxy Retiring How to configure Close Tab warnings in Firefox How to restore a browsing session from backup Wrong home page opens when I start Firefox - How to fix