To install from ubuntu-mozilla-daily on Karmic, Lucid or Maverick, run the following commands: sudo add-apt-repository ppa:ubuntu-mozilla-daily/ppaįor additional info about PPA repositories see What are PPAs and how do I use them?. You need to add one of those ppa repositories to your sources list, then update and install Firefox 4. Method #3 - Installing from PPA repositoriesįirefox 4 is currently available through ubuntu-mozilla-daily PPA repository (semi-official) and SilverWave PPA repository (non-official). This method will only be available to 32bit users, after the release of the final version of Firefox 4. There are also additional steps on that tutorial if you want to make it fully compatible with plugins. Basically, you will extract the downloaded file to your /home directory or the /opt and execute the firefox file inside it. If you prefer to do it manually, then follow the instructions of method #1 from the Installing Other Versions tutorial. Although this extension is not intended for upgrading Firefox, it also allows to make any version installation permanent. Everything is done through Firefox context menu, without typing commands or even closing Firefox. It allows you to install any number of different Firefox versions, without interfering with your default installation and user profile.
The easiest way to install Firefox 4 downloaded from Mozilla is to use my extension FoxTester. Method #1 - Manual Download & Installationįirst you need to download it form Mozilla : Since it is still a Beta release and there are some radical changes in this version, is recommended that you install it side-by-side with the default version and use a different user profile, in order to avoid data loss.
I recommend the manual installation method, since depending on the PPA you choose, you will also update Firefox 3.6 and other Mozilla products. Pick one and stick with it or revert the changes before trying a different one. So I will post here only the relevant information regarding Firefox 4. There are several methods of installing a non-default version of Firefox, that are covered by my tutorial Installing Other Versions, which has detailed explanations and method comparisons.
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