Make Firefox your default browser | Firefox Help - Mozilla Support
May 14, 2024 · How to make Web links open in Firefox automatically by setting it as the default browser on your computer.
Troubleshoot and diagnose Firefox problems - Mozilla Support
Sep 19, 2025 · This article includes a series of steps you can follow, that will help you fix most problems with Firefox.
How to install Firefox on Windows | Firefox Help
Oct 7, 2025 · This article explains how to install Firefox on Windows, either with a simple online installer from Mozilla or from the Microsoft Store. If you need a full, offline installer with custom …
Set Firefox as your mail-to default on Windows | Firefox Help
Aug 29, 2025 · Learn how to set Firefox as your MAILTO default on Windows and configure it to handle mail links seamlessly.
Choose your preferred PDF viewer in Firefox | Firefox Help
Feb 27, 2025 · When Firefox is set as the default PDF viewer, it automatically opens PDF files in the built-in viewer. However, you can choose to use another application to view your …
Make Firefox your default browser on Windows | Firefox Help
Oct 7, 2025 · Whether you're using Windows 10 or the latest Windows 11, this guide will help you set Firefox as your default browser with minimal fuss. Setting Firefox as your default browser …
Enhanced Tracking Protection in Firefox for desktop
Oct 16, 2025 · Enhanced Tracking Protection in Firefox automatically protects your privacy as you browse. It blocks trackers that follow you around online to collect information about your …
Uninstall Firefox from your computer | Firefox Help - Mozilla Support
Jul 27, 2025 · This article describes how to uninstall the Firefox application from your computer and also how to remove the personal information that Firefox stores.
Cookies - Information that websites store on your computer
Sep 13, 2025 · What is a cookie? A cookie is information stored on your computer by a website you visit. In some browsers, each cookie is a small file but in Firefox, all cookies are stored in …
Keyboard shortcuts - perform common Thunderbird tasks quickly
Nov 26, 2025 · Keyboard shortcuts are quick key combinations that replace mouse navigation. This is a list of commonly used keyboard shortcuts in Thunderbird.