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I was using firefox 28.0 on ubuntu 14.04. So I went to the firefox website and downloaded the latest version of firefox. I then extracted and ran firefox. However when I type firefox in the search box and open it still opens the older version? What do I have to do to reflect the changes?

  • Firefox 31 is available in the repositories and Aurora and Nightly build versions are available in PPAs. Please use them to install Firefox. – muru Aug 14 '14 at 12:33
  • Is it possible somehow to point the firefox to the extracted file instead of upgrading ? – user2578666 Aug 14 '14 at 12:36
  • Yes. Edit /usr/share/applications/firefox.desktop and change the Exec line to point to your Firefox. – muru Aug 14 '14 at 12:37
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If you want to install the latest version of Firefox, you can perform the following in a terminal:

First use the update command to update your system's package information:

sudo apt-get update

Then use the install command to update Firefox to the latest version:

sudo apt-get install firefox

You could also use the upgrade command (sudo apt-get upgrade), but only if you want to update all currently installed software packages.

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    U have the commands the wrong way around... sudo apt-get update updates the package lists (and needs to be run first), then you run sudo apt-get upgrade... – Wilf Aug 14 '14 at 13:36
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    When I do sudo apt-get install firefox I get information that I have newest version, but my version is 42. How to explain it? – Pavel Jun 10 '16 at 12:58
  • @PavelK: That means the latest version available in ubuntu repositories ver. 42. Anything beyond that can be installed using PPAs or archive download/extract. – Fr0zenFyr May 31 '17 at 11:31
  • hi. due to some circumstances i want to update ONLY Firefox and nothing else in my Linux. does these commands update anything else. specially i should avoid updating anything related to my system core. I'm not even sure if connecting to Internet automatically updated something, like Windows updates.?! – eulerleibniz Sep 18 '18 at 5:30

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