How to install Gnome shell in Linux Mint 13 Cinnamon dektop

Open a terminal and apply following commands,

sudo su
apt-get install gnome-shell

Disable auto log-in, System Tools > Administration > Login Window
Restart PC

Linux Mint 13 Maya released

Linux Mint is a derivative of Ubuntu, more user friendly and added proprietary codecs (Flash player, Mp3 etc). Linux Mint is a ready to use Linux after installation.

Linux Mint 13 is available with two desktop interfaces, MATE and Cinnamon.
Both desktops are very user friendly and easy to use.

Visit http://linuxmint.com/