Install KDE on Debian
Here are some step by step instructions to help you get KDE running on Debian. It is assumed you have installed Debian but do not have an X interface yet.
Always update before installation
apt-get update
apt-get install x-window-system-core
You can install “kde” to get the entire KDE desktop system, or “kde-core” to install only essential KDE packages
apt-get install kde
###OR###
apt-get install kde-core
Install a display manager then test X
apt-get install kdm
startx
You should now have a graphical interface. If startx fails you will need to read the error messages and correct your xserver settings accordingly.
dpkg-reconfigure xserver-xfree86
After making your changes restart the xserver
startx