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Currently I have Firefox 45.02 and Thunderbird 38.6.0 installed on my PC. I have downloaded Firefox 55.0.3 and Thunderbird 52.3.0 from the respective websites but how do I run and install these applications. If I click on the downloads, all I get is a list of files but I do not see a setup-exe file anywhere. I am not familiar with Linuc commands but what do I need to run and install. I am running Ubuntu 16.04. All responses would be appreciated.

Newbie2017
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3 Answers3

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Updating your software can be done in the Software Center or by typing the following command in a terminal (Ctrl+Alt+T):

sudo apt update && sudo apt upgrade

This will update Firefox to 55.0.2 and Thunderbird to 52.2.1, which are the versions currently supported by the official package sources.

You can install (even) newer software, however I do not recommend this. If it's not absolutely necessary, stick with the package sources. It may save you lots of trouble.

dessert
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You asked two questions so a gave a link for Thunderbird above then for firefox do:

  1. Add the repo to your source list with:

    echo -e "\ndeb http://downloads.sourceforge.net/project/ubuntuzilla/mozilla/apt all main" | sudo tee -a /etc/apt/sources.list > /dev/null

  2. Add repo digital signature:

    sudo apt-key adv --recv-keys --keyserver keyserver.ubuntu.com C1289A29

  3. Update and install with:

    sudo apt update && sudo apt install firefox-mozilla-build

  4. Also if you wish add Thunderbird:

    sudo apt install thunderbird-mozilla-build

  5. You will see two version when search for in dash, you may remove the default with:

     sudo apt remove firefox

  6. And then the installed build version may be remove with:

     sudo apt remove firefox-mozilla-build
George Udosen
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have downloaded Firefox 55.0.3 and Thunderbird 52.3.0 from the respective websites but how do I run and install these applications.

Extract the files in /opt/ and you can start both firefox and thunderbird from the created directories in there. Example for firefox, thunderbird is the same, just another directory:

$ cd /opt/firefox-55.0.2/
:/opt/firefox-55.0.2$ ./firefox
$ /opt/firefox-55.0.2/firefox --version 
Mozilla Firefox 55.0.2

Normal version will show the older one:

$ firefox --version
Mozilla Firefox 50.1.0

When you are a little bit into installing software this is not too difficult. Nevertheless... I would stick to the normal Ubuntu version; there is not a lot of benefit to the newest version that Ubuntu not yet has. All security related problems get added to our versions anyways.

Rinzwind
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