User blog comment:Mckrongs/Monster Hunter Frontier Season Forward 1/@comment-3552916-20110417111459/@comment-2040933-20110420181632

For the PC, you must have downloaded the game which you can get that off the official website(if I am not mistaken). From their, Capcom(or whatever company owns frontier) updates the servers whenever they feel like it with some new monsters, weapons and armors and what not.