To install xfce4 just follow these instructions.
sudo apt-get install xfce4
Which will install xfce4 and any other packages on which it depends.
|Maintainer||Debian Xfce Maintainers <firstname.lastname@example.org>|
|Description||Meta-package for the Xfce Lightweight Desktop Environment It aims to be fast and lightweight, while still being visually appealing and easy to use. Designed for productivity, it loads and executes applications fast, while conserving system resources.|