How-to-install-Cinnamon_Desktop

You can also add and use Cinnamon Desktop.
Follow the steps below:

Run the next command as root in MATE terminal.

apt update
apt install cinnamon-core cinnamon-l10n nemo

Or use Synaptic graphical manager from
System --> Administration --> Synaptic -->Reload --> Search packages below and install.

cinnamon-core
cinnamon-l10n
nemo

Then, log-out and select Cinnamon from top menu
Now log-in and start Cinnamon Desktop.

END.