Transmission, the popular Bit-torrent client which come pre-installed on my Linux distributions specially on Ubuntu and its derivatives is perhaps the the most used among Linux and Unix users after Vuze(formerly know as Azureus).
Firstly we need to add a ppa which is now official from transmissionbt project from their website(very stable indeed too):-
Now, update the whole system as usual and install the package as well,
apt-get update sudo apt-get install transmission-gtk
If anytime you feel like purging or removing the ppa(personal packaging archive), then you’re pleased to do so:-