There are no extra benefits of downloading and installing Firefox with stub installer, better switch to Offline Installer if you don’t like it. Except for Nightly, where Mozilla offering Express and Standard installers, but Firefox on Aurora, Beta and Stable channels available through stub installer only. So if you visit Mozilla Firefox website to download their browser, a small sized setup file will be downloaded to your computer with the file name as Firefox setup stub.. .exe.

Wondering why Mozilla has replaced their full installer for Firefox with small or stub installer, they’ve decided this long time ago, you’re now seeing the change. One advantage with the web/online installer is, user always downloads the latest version.

Firefox stub installer experience:

Installing Firefox online may be difficult on low internet connection, that’s why you want an offline installer for that. Let us take a look at how to download and install Firefox online anyway with the stub installer.

Firefox stub installer setup

Download and run it, before clicking the “Install” button, you may want to uncheck “Make Firefox my default browser” and click on Options to uncheck “send information about this installation to Mozilla” if you’re concerned about your privacy.

Now click on Install button, where Firefox will be downloaded from Mozilla servers and later, once download completes, Firefox will be installed.

Where to download Official Firefox Offline installer for latest version

1. Visit, where Firefox is available in more than 70 languages for Windows, Mac and Linux.

2. Select your language and country, for example most download ‘English -United States select English (US)’ version.

3 . Click on “Download” button for Windows/Linux/ Mac platform.

How to download Offline installers for Firefox Aurora and Beta channels

Firefox Nightly page already offers Express and full install (standard) options for download. But Firefox Aurora and Beta channel pages are not? In fact they’re, check System & Languages link below Firefox Aurora or Firefox Beta Free download button for download.

Updated: added Offline installer links tip for Firefox Aurora and Beta channels.

UPDATE 1: Firefox Nightly offline installer 

Visit page and choose language, and you can able to download 32-bit or 64-bit version of Nightly from this page.