Linux Mint 18 features SDDM, KDE Plasma 5.6, a Linux kernel 4.4 and an Ubuntu 16.04 package base.

Does Linux Mint support KDE?

Linux Mint 18.3 is a long term support release which will be supported until 2021. It comes with updated software and brings refinements and many new features to make your desktop experience more comfortable to use.

Can I install KDE on Linux Mint?

The packages for KDE plasma desktop are available on Linux Mint repositories. Since Linux Mint 19 is based on Ubuntu 18.04, the packages are provided by Ubuntu upstream repositories. To get the latest releases, we will add Kubuntu backports repository.