How to install KDE in Ubuntu

Steps to install KDE in Ubuntu and Debian:

1. Launch terminal
2. Update apt's package list.

   $ sudo apt update

3. Upgrade installed packages using apt (optional).

   $ sudo apt dist-upgrade --assume-yes

4. Install kubuntu-desktop meta package via apt.

   $ sudo apt install --assume-yes kubuntu-desktop

   This will install a complete KDE/Kubuntu package and experience in your Ubuntu system.

5. Select Ok using the tab key and enter to configure display manager.
6. Select SDDM or Simple Desktop Display Manager (optional) and click ok.

   SDDM is the default display manager for Kubuntu/KDE

7. reboot