I received this code via email. The first person to register it gets it!
ACCESS TO THE CLOSED ALPHA IS AVAILABLE BY INVITE ONLY.
1 You will need an Origin account and the Origin client in order to download and participate in the Alpha Trial. If you don't already have an Origin account, simply go to http://www.origin.com
(register using the link on the top right).
2 Once you have an account, download the client here: http://www.origin.com/uk/download
3 Run the downloaded file and follow the instructions to install the client.
4 Launch the Origin client and Log In to your account.
5 Select Redeem Product Code from the Origin menu.
6 Enter the code 5M8G-9LZG-USQC-4V2M-DTSR
in the Product Code field and click Next.
7 Follow the instructions that appear to complete your code redemption.
8 You can now select the My Games tab within Origin to see the Alpha Trial.
From here you can pre-download and install the Alpha Trial.