Where do i download the game from??

Im spending a week at my girlfriends house and want to download the game on her PC to play while she is at school but i can not find anywhere to download the game. I have searched all over the mog station but cant seem to find anything about downloading the game. I am currently subscribed and play often at my own house but just patched my beta files to play the game at launch so i have no idea where to redownload the client from. Any help would be appreciated!!

https://www.google.com/search?q=ffxiv+arr+download&rlz=1C1OPRB_enUS539US539&oq=ffxiv+arr+download&aqs=chrome..69i57j0l3j69i64j69i60.3452j0&sourceid=chrome&ie=UTF-8