As before, you can use three different desktop looks with Mint 20. These are my own favorite Cinnamon, which was inspired by GNOME 2.x; MATE, a fork of the GNOME 2; and the ultra-lightweight Xfce.
Are you staring at the Linux Mint download page wondering which edition to choose? Do terms like Cinnamon, Xfce, and MATE feel confusing? Here are the honest pros and cons of each desktop environment ...
I've tried the Google, the linuxmint forums, and the reddit to no avail. I recent installed Linux Mint Mate 20 over top of my 19.3 install. I formated the root drive but kept my home directory.