Firefox 63 officially released for all major OS e.g. Linux (32/64 bit), 
Mac OSX, Windows and Android. The binary package are now available for
 download for Linux (POSIX) systems, grab desired one and enjoy the browsing with
 new features added to it.

What’s new in Firefox 63

This new release comes with the following features:
WebExtensions now run in their own process on Linux.
Added content blocking to block third-party tracking cookies.
Added a New Tab page, which pins users top sites on Homepage.
Other various security and stability fixes.
New Firefox has also added a lots of new interesting features to Android as well.
 So, don’t wait, just grab the latest Firefox for android from Google Play Store
 and have fun.

Install Firefox Quantum 63 in Linux Systems

Ubuntu users will always get the latest version of Firefox via default Ubuntu’s update channel. But the upgrade isn’t yet available and if you are curious to try it, there is an official Mozilla PPA to test the new version of Firefox Quantum on Ubuntu and its derivatives.

$ sudo add-apt-repository ppa:mozillateam/firefox-next
$ sudo apt update && sudo apt upgrade
$ sudo apt install firefox

In this guide we’ll cover Firefox Quantum 63 stable installation from tarball sources in Debian and Red Hat based Linux distributions such as CentOS, Fedora, etc.

The download link for Mozilla tarballs can be found by accessing the below link.

The process of installing the latest version of Firefox from archive sources is similar for Ubuntu and CentOS desktop version. To begin with, log in to your desktop and open a Terminal console.

Then, issue the below commands in your Terminal in order to download and install Firefox from tarball sources. The installation files will be placed in your distribution /opt directory.

For 32-Bit OS
$ cd /opt
$ sudo wget
$ sudo tar xfj firefox-63.0.tar.bz2

For 64-Bit OS

$ cd /opt
$ sudo wget
$ sudo tar xfj firefox-63.0.tar.bz2

After Firefox application files had been decompressed and installed to /opt/firefox/ system path, execute the below command to first launch the browser. The latest version of Firefox should open in your system.

$ /opt/firefox/firefox

In order to create a quick launch icon in your desktop applications menu, issue the following commands in terminal. First change directory to /usr/share/application/ directory and create a new desktop application quick launcher based on firefox.desktop app launcher. The new launcher will be named mozilla-quantum.desktop.
$ cd /usr/share/applications/
$ sudo cp firefox.desktop firefox-quantum.desktop

Afterwards, open firefox-quantum.desktop file for editing and search and update the following lines.
Name=Firefox Quantum Web Browser
Exec=/opt/firefox/firefox %u
Exec=/opt/firefox/firefox -new-window
Exec=/opt/firefox/firefox -private-window
Save and close the file changes. Launch Mozilla Quantum by navigating to Applications -> Internet menu where a new Firefox Quantum launcher should appear. In Ubuntu desktop just search for quantum in Unity dash.
After hitting on the shortcut icon, you should see the new Mozilla Quantum browser in action in your system.




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