How to download the battlefield 3 beta?

Ive searched for it but i cant find it, how do i download it?(I have xbox)How to download the battlefield 3 beta?
It's in the demos section of the Game Marketplace. It should be one of the newest ones out.How to download the battlefield 3 beta?
http://marketplace.xbox.com/en-CA/Product/Battlefield-3-Beta/66acd000-77fe-1000-9115-d80245418975



go to that link click download and if it asks you to sign in use the email adress and password thats with your xbox live account and after that click download then turn on your 360 and it will start downloading then enjoyHow to download the battlefield 3 beta?
you will get battlefield 2 for xbox from piratebay.com...