Firefox is mentioned in the fastest web browser for Windows.
Our software library provides a free download of Firefox 66.0.2. The latest version of Firefox is supported on PCs running Windows XP/Vista/7/8/10, both 32 and 64-bit. The following versions: 35.0, 34.0 and 33.1 are the most frequently downloaded ones by the program users.
This free program was originally developed by Mozilla. Our built-in antivirus checked this download and rated it as virus free. Firefox.exe, FirefoxPortable.exe, crashreporter.exe, Mozilla Firefox 3.6 Beta 4.exe and Mozilla Firefox.exe are the most frequent filenames for this program's installer.
The current installer available for download occupies 42.3 MB on disk. ".htm", ".png" and ".xml" are the extensions this free PC software can open. The software belongs to Internet & Network Tools. Some of Firefox aliases include "Mozilla Firefox", "Thai Firefox Community Edition", "Firefox fr SWM".
Firefox is one of the most popular web browsers, with a customizable tabbed interface. It lets you manage bookmarks, IDs and passwords, and synchronize them across your devices. Its Private Browsing mode blocks online trackers while you access the Internet.
Thousands of third-party extensions are available such as LastPass, uBlock Origin, and Evernote that adds additional features to your browser.
You may want to check out more software, such as FireFox Password, Firefox ESR or FrontMotion Firefox Community Edition af, which might be similar to Firefox.
Used in tutorials
Find out how to clear the traces left by your Internet activities from the most popular web browsers.
This guide will show you how to delete your browser history on your Windows PC.