4 Ways to Install Firefox 99 on Ubuntu / Linux Mint / AlmaLinux & Fedora

Firefox logo

This tutorial will be helpful for beginners to download and install Firefox 99 on Ubuntu 20.04 LTS, Ubuntu 22.04, Ubuntu 21.10, LinuxMint 20.3, Rocky Linux 8, Almalinux 8, and Fedora 35.

Firefox or Mozilla Firefox is a free and open-source web browser developed by the Mozilla foundation and generally utilized by thousands and thousands of individuals in their daily actions.

It is a Cross-platform web browser available for Android, Windows, macOS, iOS, and Linux systems.

Firefox 99.0 is scheduled to be released on APRIL 5, 2022 but the source file is available for users to download ahead of tomorrow’s official launch.

Firefox 99 Changelog

  • You can now toggle Narrate in ReaderMode with the keyboard shortcut “n”.
  • GTK overlay scrollbars are now enabled on Nightly and early betas on Linux systems.
  • Processes exposed to web content no longer have access to the X Window system (X11).
  • Added support for search with or without diacritics in the PDF viewer
  • Firefox now supports the Web MIDI API on Windows, macOS, and Linux.

For the complete changelog refer to the release notes

Install Firefox 99 on Ubuntu / Linux Mint

The latest version of Firefox 99.0 will be updated to the repositories, just update the repository and install it using the below command.

sudo apt update && sudo apt install firefox

Install Firefox 99 on Fedora 35 / Rocky Linux 8 / Alma Linux 8 and Manjaro Linux

Firefox can be installed on RPM-based Linux distributions and Manjaro Linux via 3 methods.

  • Via Flatpak
  • Via SNAP Store
  • Via Source FIle

Method 1: Via SNAP Store

Install the Snap package on the system and install the firefox browser using the below command

sudo apt install snapd && sudo snap install firefox

Method 2: Via Flatpak

Step 1: Install Flatpak on your system by using the Flatpak setup guide

Step 2: Install Firefox using Flatpak

flatpak install flathub org.mozilla.firefox

Step 3: Run Firefox

flatpak run org.mozilla.firefox

Method 3: Via Source File

This method will be applicable for those who wants to try firefox 98.0 immediately without waiting for the repo updates.

Step 1: Download the tar file from the firefox FTP site

Step 2: Extract the downloaded tar file to /opt directory

tar -xf firefox-99.0.tar.bz2

Step 3: Move the Firefox folder to the /opt

mv firefox firefox99 && mv firefox99 /opt

Step 4: Create symbolic links and set Firefox 99 as the default

sudo mv /usr/bin/firefox /usr/bin/firefox.old && sudo ln -s /opt/firefox99/firefox /usr/bin/firefox
Install firefox 99 on ubuntu


From this tutorial you have learned how to download and install Firefox 99 on Ubuntu 20.04 LTS, Ubuntu 22.04, Ubuntu 21.10, LinuxMint 20.3, Rocky Linux 8, Almalinux 8, and Fedora 35.

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