Para instalar o Budgie Desktop 10.2.7 no Ubuntu 16.04 ou Ubuntu 16.10:
sudo add-apt-repository ppa:budgie-remix/ppa
sudo apt update
sudo apt install budgie-desktop
Para instalar os temas adicionais, ícones, execute o comando abaixo:
sudo apt install arc-firefox-theme arc-theme budgie-plank budgie-wallpapers faba-icon-theme moka-icon-theme
Para remover o Budgie Desktop execute:
sudo apt remove budgie-desktop
E para remover a PPA execute:
sudo apt install ppa-purge