How do I install KDE 4 under Ubuntu Linux?
- Step # 1: Update Source File. Open a terminal. Open /etc/apt/sources.list file using a text editor such as vi or gedit, enter: ...
- Step # 2: Install KDE 4 desktop. To install kde 4, enter: $ sudo apt-get install kde4-core. ...
- References: => Kubuntu Project – Be Free with KDE 4.0.