Downloading Mozilla Firefox Full Installer using Firefox

 

Go to the following url
    https://www.mozilla.org/en-US/firefox/new/

Click on the “Download a fresh copy” link under the button “Refresh Firefox”. It s highlighted in the below picture

It will take you to the download page and highlight the Firefox download link based on the currently installed language of Firefox

How to download Mozilla Firefox and Thunderbird with checksum

 

To download Mozilla Firefox with checksum go to the following url

http://releases.mozilla.org/pub/firefox/releases/

For Mozilla Thunderbird use the following url

http://releases.mozilla.org/pub/thunderbird/releases/