How To Install KDE Plasma 5.2 In Ubuntu 14.04 and Ubuntu 14.10. KDE Plasma 5.2 release adds a number of new components, many new features and many more bugfixes.
This release of Plasma comes with some new components to make your desktop even more complete:
- BlueDevil: a range of desktop components to manage Bluetooth devices. It’ll set up your mouse, keyboard, send & receive files and you can browse for devices.
- KSSHAskPass: if you access computers with ssh keys but those keys have passwords this module will give you a graphical UI to enter those passwords.
- Muon: install and manage software and other addons for your computer.
- Login theme configuration (SDDM): SDDM is now the login manager of choice for Plasma and this new System Settings module allows you to configure the theme.
- KScreen: getting its first release for Plasma 5 is the System Settings module to set up multiple monitor support.
- GTK Application Style: this new module lets you configure themeing of applications from Gnome.
- KDecoration: this new library makes it easier and more reliable to make themes for KWin, Plasma’s window manager. It has
impressive memory, performance and stability improvements. If you are missing a feature don’t worry it’ll be back in Plasma 5.3.

The Breeze window decoration theme is the default theme and it gives a new look to your desktop. It comes with a new white mouse cursor theme for Breeze and new plasma widgets: 15 puzzle, web browser, show desktop and many more.
Install KDE Plasma 5.2 in Ubuntu
Open Terminal and run the following commands to download and install Plasma on Ubuntu systems.
sudo apt-add-repository ppa:kubuntu-ppa/next-backports
sudo apt-get update
sudo apt-get dist-upgrade
sudo apt-get install kubuntu-plasma5-desktop plasma-workspace-wallpapers
You will have to select the default display manager during the installation, select the default LightDM. Once installed, please restart the system and at the login, click on the Ubuntu symbol and select Plasma.
Uninstall KDE Plasma from Ubuntu
If you want to uninstall and remove KDE Plasma from Ubuntu systems, run the following commands:
sudo apt-get install ppa-purge
sudo apt-get remove kubuntu-plasma5-desktop
sudo ppa-purge ppa:kubuntu-ppa/next
Please note that the file size of the download is around 1 GB. Which means it may take some time depending on the Internet connection speed.