Earlier we wrote a post on how you can install Firefox 4 development version in Ubuntu. Today the stable version of Firefox 4 has been released. So, if you want to install a stable version of Firefox 4 instead of the development version, we will tell you how you can do that in this post.
The development version of Firefox gets updated very often. However, it always incorporates the latest features and is not always stable. If you want a stable version, follow the steps given below:
1. If you are using the development version of Firefox from our earlier post, remove it with the command,
sudo apt-get remove firefox-4.0
If you are not using the development version, skip this step.
2. Now add the Firefox stable PPA.
sudo add-apt-repository ppa:mozillateam/firefox-stable
3. Now update the software list
sudo apt-get update
4. Finally install Firefox 4 with the command.
sudo apt-get install firefox
After installation, you will find Firefox under Applications > Internet > Firefox Web Browser.
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