If you click on beta on the bottom of the forum you will gain all the knowlage you need in the first 2 paragraphs.

Quote:


If you want to become a beta tester, you must be a forum member, be
able to speak English, own the current A6 Professional or Commercial
Edition, and meet at least one of the following requirements:

a) you have created a commercial quality game, or
b) you have developed an useful tool or plugin for GameStudio, or
c) you have written a major tutorial or a book about GameStudio, or
d) you are a professional C++/DirectX programmer.

For applying, please email me at jcl @ conitec.net, and also give your
forum name and your Gamestudio user ID and password (this is an
exception from the rule not to give your password to anyone).