Download Firefox Systems and Languages Novetats Privadesa Give Firefox a tune up Refresh Firefox How does it work? Download a fresh copy Advanced and experimental features Learn tips beyond the basics and try features before they're released to the public. Tot All articles and threads In English Configuration Editor for Firefox How to enable Windows SSO login in Firefox Firefox's protection against fingerprinting Control audio or video playback with your keyboard About Studies Canary domain - use-application-dns.net Use the Eyedropper tool in Firefox to sample colors Sync custom preferences Firefox advanced customization and configuration options DOM events changes introduced in Firefox 66