[HOWTO] Install Firefox 4 in Ubuntu 10.04 Lucid Lynx and 10.10 Maverick Meerkat

UPDATE: Click here for Stable version of Firefox 4.

Firefox 4 beta 2 is already available for Linux, Windows and Mac. You can also install daily builds to get the latest of Firefox. The PPA ubuntu-mozilla-daily provides the daily builds of Firefox, currently beta 3 is available for download. To install the PPA in Lucid or Maverick, just launch Synaptic (System>Administration>Synaptic Package Manager) and then go to Settings>Repositories>Other Software. Now click Add and paste in the following:

ppa:ubuntu-mozilla-daily/ppa

Close the Repositories window and then click reload. When it is done, search for firefox-4.0-gnome-support and mark it for installation. It should mark other required packages. Apply and wait for installation to finish.

To launch it, goto Applications>Internet>Mozilla Developer Preview Web Browser or Minefield 4.0 Web Browser and enjoy.

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  • MyName

    it is firefox-4.0-gnome-support with one more dash.

    • admin

      Thanks. I have made the correction.

  • Jason

    I am sorry still new to Linux but, I followed the directions and now I have Minefield 4.0 web browser and my firefox is now a namaroka web browser. what is that all about and neither one looks like firefox 4.0

    • admin

      Minefield 4.0 is firefox 4.0.