Installing Firefox 4 beta on Fedora 13 and 14

Firefox 4 is currently in beta 4 for Linux and today we will install it on Fedora, either 13 or 14.

First we will backup your Firefox profile and its board, to keep it ebres nada.para a terminal and type:$ tar cvzf firefox-backup.tar.gz ~/.mozilla
This will create a file with all your Firefox settings and save it to your home directory as firefox-backup.tar.gz
Repositories for Firefox 4 are two