Installation 1. cd Desktop/ 2. wget https://ftp.mozilla.org/pub/firefox/releases/58.0b4/linux-x86_64/en-US/firefox-58.0b4.tar.bz2 3. tar -xvf firefox-58.0b4.tar.bz2 4. mv firefox /opt/ 5. apt install alacarte Use "main menu" to setup firefox location for start NOTE: Warning, save your all sessions and bookmarks before installation! Have fun =)