(adsbygoogle = window.adsbygoogle || []).push({}); What you will need:
A USB drive
Horizon:You must login or register to view this content.
Demo:You must login or register to view this content.
Take a USB configure it to your xbox and open up horizon
plug the USB to the computer download the demo to your desktop and drag and drop into Horizon
Put the USB back in the xbox and start the demo up on any account
Click the red bar and your 48-Hour trial code will appear

You can sign in on other Silver accounts to get more codes

NOTE works on Gold accounts also

Credit goes to Resistant of S7 for this :y:

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Patched????

Basically what I think is they put a load of random codes in or something and it gives a random one to you when you start it, so you could get one that is used or one that isn't, pure luck

works! thanks man