Install MATE Desktop on Ubuntu 16.04
The version of MATE 1.16 in this PPA is (mostly) built against GTK2+ to ensure compatibility with Ubuntu MATE 16.04 and all 3rd party MATE applets, plugins and extensions. Click the link for more info:
https://launchpad.net/~ubuntu-mate-dev/+archive/ubuntu/xenial-mate
$ sudo su -
# apt-add-repository ppa:ubuntu-mate-dev/xenial-mate
# apt-get update
# apt-get install mate
# reboot
After Ubuntu restarted, select MATE for your Desktop environment
Command to upgrade MATE:
$ sudo apt-get dist-upgrade
Commands to remove MATE:
$ sudo su -
# add-apt-repository --remove ppa:ubuntu-mate-dev/xenial-mate
# apt-get remove mate
# apt-get autoremove