[xubuntu-users] Upgrading from Ubuntu to Xunbuntu

Thu May 16 20:37:30 UTC 2013

>You can have all the desktops you want, at the same time. They all use
>the basic Ubuntu package and build from there. Just upgrade Ubuntu, install 
>the XFCE desktop...

How?
Can I do it from Software Center?
[g]
PS I've only just discovered how to get the menu back in Ubuntu12.04.02 LTS
http://www.howtogeek.com/105997/how-to-install-the-classic-gnome-menu-in-unity-in-ubuntu-11.10/
what madness of them to hide the menus!