This is guide, howto install Mozilla Firefox 3.6 versions (currently 3.6.13) on Fedora 12 using Yum. Firefox 3.6 stable installation works also with older Fedora Linux versions, like f11, f10.

Note: Fedora 13 and Fedora 14 already has Firefox 3.6 as default browser

Install Mozilla Firefox 3.6 Stable Version on Fedora Linux Using Remi Repository

1. Change to root User


su -
## OR ##
sudo -i

2. Enable Remi Repository


## Fedora 12
rpm -Uvh http://rpms.famillecollet.com/remi-release-12.rpm

## Fedora 11
rpm -Uvh http://rpms.famillecollet.com/remi-release-11.rpm

## Fedora 10
rpm -Uvh http://rpms.famillecollet.com/remi-release-10.rpm

## Fedora 9
rpm -Uvh http://rpms.famillecollet.com/remi-release-9.rpm

## Fedeora 8
rpm -Uvh http://rpms.famillecollet.com/remi-release-8.rpm

3. Check Available Firefox versions


$ yum --enablerepo=remi list firefox
Loaded plugins: dellsysidplugin2, refresh-packagekit
Installed Packages
firefox.i686                                    3.5.8-1.fc12                                        @updates
Available Packages
firefox.i586                                    3.6.13-1.fc12                                    remi    

4. Update or Install Firefox 3.6 Stable Version


yum --enablerepo=remi update firefox
## OR ##
yum --enablerepo=remi install firefox

Screenshot: Firefox 3.6 on Fedora 12