Cara instal KDE
$ sudo apt-get install kde-standardsudo apt-get install kde-full
Cara instal GNOME 3
$ sudo add-apt-repository ppa:gnome3-team/gnome3sudo
$ sudo apt-get update
$ sudo apt-get install gnome-shell
Cara instal XFCE 4
$ sudo apt-get install xfce4
$ sudo apt-get install xfce4-goodies
Cara instal PANTHEON / Elementary OS
$ sudo apt-add-repository ppa:elementary-os/daily
$ sudo apt-get update
$ sudo apt-get install pantheon
Cara instal FLUXBOX
$ sudo apt-get install fluxbox