Gnome Shell 3.8 and Extensions for Ubuntu 13.04 Raring Ringtail/Linux Mint 15

Gnome 3.8.2 has been released and apart from the various Gnome libraries, services and core parts that have been upgraded, we should take a look on the applications and utilities that are also part of Gnome.
GNOME 3.8.2 is full of fixes, documentation and translation updates, get its sources from our servers, or binaries from your distribution servers.

Screenshots

Application Menu

 Shell Extensions and Places indicator

Gnome Classic (Fallback Mode)

Note: If you have Cinnamon 1.8 then following commands will break your Cinnamon desktop. Don't install if you want to stick with Cinnamon.

To install Gnome Shell 3.8 in Ubuntu 13.04/Linux Mint 15 open Terminal (Press Ctrl+Alt+T) and copy the following commands in the Terminal:

sudo add-apt-repository ppa:gnome3-team/gnome3-staging
sudo add-apt-repository ppa:gnome3-team/gnome3
sudo apt-get update
sudo apt-get install gnome-shell gnome-shell-extensions gnome-tweak-tool

If you want to install complete Gnome then also use this command:

sudo apt-get install gnome

That's it

Source: noobslab.com