Install Firefox 47 On Ubuntu 16.04 / 14.04 LTS / LinuxMint / CentOS

In this Tutorial I will show you how to install Firefox 47 on Ubuntu 16.04 LTS /14.04 LTS, LinuxMint 17 / 16 / 15 , Fedora ,  CentOS 6.X / 7.x , OpenMandriva & OpenSUSE

Firefox a most commonly used browsers by everyone and one of the standard browsers too.It is an opensource browser and it is developed by mozilla corporation and mozilla Foundation and  available for Multiple Operating systems (ie) Windows,Linux,Mac OSX. 
and it comes with its private mode and powerful plugins

Firefox Released its new stable Version 47.0 on June 7th 2016

Changelog in Firefox 47.0

New :

• Allow no-cache on back/forward navigations for https resources
• Firefox can automagically play videos without any plugins.
• Support for Google’s Widevine CDM on Windows and Mac OS X so streaming services like Amazon Video can switch from Silverlight to encrypted HTML5 video. Don’t worry, you won’t notice a thing.
• Embedded YouTube videos now play with HTML5 video if Flash is not installed. Just load and start playing!
• Embedded YouTube videos now play with HTML5 video if Flash is not installed
• Enable VP9 video codec for users with fast machines

Changes:

• The browser.sessionstore.restore_on_demand preference has been reset to its default value (true) to avoid e10s performance problems. Because faster is better!
• FUEL (Firefox User Extension Library) has been removed. Add-ons relying on it will stop working, so use add-on SDK instead, pretty please!
• The Firefox click-to-activate plugin whitelist has been removed.

HTML5:

• WebCrypto: PBKDF2 supports SHA-2 hash algorithms
• WebCrypto: RSA-PSS signature support

Installation Steps

Method 1 (For Debian based systems) Via PPA 

Best and easy way is to upgrade firefox by updating the Repository, it will automatically upgraded to new version

sudo apt-get update

sudo apt-get upgrade

Method  2 : Via tar file -- applicable for all distr

Step 1:Download The Latest Version of Firefox 47 from their FTP site or use wget commands provided below 

For 32 bit systems

wget https://ftp.mozilla.org/pub/firefox/releases/47.0/linux-i686/en-US/firefox-47.0.tar.bz2

For 64 bit systems

wget https://ftp.mozilla.org/pub/firefox/releases/47.0/linux-x86_64/en-US/firefox-47.0.tar.bz2

Step 2: Extract the tar package

tar -xjf firefox-47.0.tar.bz2

Step 3: Move the Firefox 46 folder to opt

Remove the Older version of firefox if it's there

sudo rm -rf  /opt/firefox

sudo mv firefox /opt/firefox47

Step 4: Create Symbolic link for New Firefox as default

sudo mv /usr/bin/firefox /usr/bin/firefoxold

sudo ln -s /opt/firefox47/firefox /usr/bin/firefox