Help with steam and getting ESF as a game

[Jinks]

Everytime I load up steam I get all the other games cept ESF.....I think I need the installer but I don't know where it is or if that is even the problem.

Help if ya can plz.

 

[goku_ssj_uk]

http://www.esforces.com/getfile.php

Its right on the main page