KDE is an international team co-operating on development of opensource software for desktop computing. K Desktop Environment (KDE) was founded in 1996 by Matthias Ettrich. KDE community is producing an integrated set of cross-platform applications designed to run on Linux, FreeBSD, Solaris, OS X and Microsoft Windows systems.
This article will help you to install KDE 4.12 on Ubuntu 12.04 system. Click here To know more about changes in KDE 4.12.
Step 1: Add backports Repository
First we need to add required repository in apt-get package manager to install KDE. Use following commands to add it
$ sudo apt-add-repository ppa:kubuntu-ppa/backports -y $ sudo apt-get update
Step 2: Install/Upgrade KDE
$ sudo apt-get install kde-standard kubuntu-desktop
$ sudo apt-get dist-upgrade
The installation process will take some time. During the installation, it will prompt for few inputs like below screenshots.
Step 3: Check KDE Version
After successfully installing kde, lets check the version of KDE installed on your system. To check version Open KDE System Settings menu >> Go to Help Menu >> and select About KDE.
You will see screen like below.
Now reboot your Ubuntu system and start in graphical mode. Select the desktop environment you want to use at login screen.