Learn how to transfer your browser data when switching devices using Firefox Sync. Back up your bookmarks, history, passwords, etc. with your Mozilla account.

Fix problems · Basic browsing · Get community support · Install and update

Get Help. Pick your product. Firefox. Web browser for Windows, Mac and Linux ...

This article describes how to download and install Firefox on Windows. Firefox Firefox Last updated: 2 weeks, 6 days ago ...

How do I report a broken site in Firefox desktop? How to report a broken website and what information Mozilla receives when you report breakage caused by ...

Learn how to customize different items on your Firefox New Tab page. Browsing history in Firefox - View the websites you have visited. Firefox keeps track of ...

Download, install and migration. Learn how to download Firefox on your desktop devices or move information ...

In this article, we explain all the DoH protection levels you can configure from the Firefox settings. HTTPS-Only Mode in Firefox. Learn more about HTTPS-Only ...

Still need help? We're here for you. Post a question to our support forums and get answers from our community of experts. Ask the Community ...

Install and update · Basic browsing · Customize settings and... · Sync and save

Learn why you might see time-related errors on HTTPS websites and how you can troubleshoot these errors by correcting your system clock. Firefox Firefox Last ...

Procedures to diagnose and... · Firefox is slow or stops working · Firefox crashes

Are you having trouble getting a website to load? This article will show you how to fix the problem so you can get back to surfing the web. Firefox can ...