How to Install KDE Plasma Desktop on Linux Mint 20.3 | Install KDE Desktop on Linux Mint 20.3 | KDE Plasma is a Desktop | Use Plasma to surf the web; keep in touch with colleagues, friends and family; manage your files, enjoy music and videos; and get creative and productive at work. Do it all in a beautiful environment that adapts to your needs, and with the safety, privacy-protection and peace of mind that the best Free Open Source Software has to offer.

Important Steps:
Step 1: Add Kubuntu Backports repository
Step 2: Install KDE Plasma Desktop on Linux Mint 20.3
Step 3: Use KDE Plasma Desktop on Linux Mint 20.3

Important Terminal Commands:
1. sudo add-apt-repository ppa:kubuntu-ppa/backports
2. sudo apt update
3. sudo apt install kde-plasma-desktop