Hello Linux Geeksters.
In this article I will show you how to install XFCE 4.0 (Xubuntu desktop) on Ubuntu 13.04 Raring Ringtail, Ubuntu 12.10 Quantal Quetzal, Ubuntu 12.04 Precise Pangolin, Linux Mint 15 Olivia, Linux Mint 14 Nadia and Linux Mint Maya 13.
To install XFCE 4.0, do this:
Add the repo:
$ sudo add-apt-repository ppa:xubuntu-dev/xfce-4.10
Update the local repositories:
$ sudo apt-get update
Install XFCE:
$ sudo apt-get install xfce4
To remove XFCE, do this:
$ sudo apt-get install ppa-purge
$ sudo ppa-purge ppa:xubuntu-dev/xfce-4.10