Get Help
Pick your product
Firefox
Navegador para Windows, Mac y Linux
Firefox para Android
Navegador para teléfonos inteligentes y tabletas Android
Firefox para iOS
Firefox para iPhone, iPad y iPod
Firefox Preview
Early version of an experimental Firefox browser for Android.
Firefox Private Network Device-level Protection
VPN for Windows 10, Android, and iOS devices
Firefox para dispositivos de Amazon
Navegador para dispositivos de Amazon
Firefox Private Network Browser-level protection
Browse securely on public Wi-Fi
Firefox para empresas
Firefox Quantum para empresas
Firefox Lockwise
Mobile app that gives you access to passwords you've saved to Firefox.
Firefox Reality
Navegador para cascos de realidad virtual
Firefox Lite
Navegador móvil para Indonesia, India, Filipinas y Tailandia
Hubs
Social virtual reality for headsets and browsers
Firefox Focus
Navegador privado y bloqueador de contenido automático
Firefox ScreenshotGo
Aplicación de captura de pantalla para dispositivos móviles
Thunderbird
Programa de correo electrónico para Windows, Mac y Linux
Featured Articles
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.
Refresh Firefox - reset add-ons and settings
A Refresh can fix many issues by restoring Firefox to its default state while saving essential information like bookmarks and passwords.
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.
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.
Join Our Community
Grow and share your expertise with others. Answer questions and improve our knowledge base.