If you want to download the game you can get the latest version from here :

Get the Game

If you want a the newest patch you can get it here :

Get a Patch

If you got questions, the get the manual from here, and read all about it !

Get the AA_manual.pdf

Here is a drawing of the standards default keyboard set open, right klick and save ! It can be very helpfull to custom your own controls, to your own temperment. Here you can use this one print it, and draw your own settings onto it

Get default Keyboard settings