How to upgrade kile2.1 beta 4 to kile-2.1.3 in ubuntu 11.04?

How to upgrade kile2.1 beta 4 to kile-2.1.3 in ubuntu 11.04?

I want to upgrade kile 2.1 beta 4 to Latest stable version kile 2.1.3 in 'Ubuntu11.04'. Will there any problem if I upgrade it ?
My second question :
I have kile-2.1.3.tar.bz2 file. How do I install it through terminal or any other way ?