With the release of Splinter Cell: Conviction, Ubisoft has explained how it will work better access to the beta of Ghost Recon: Future Soldier. Once it is available, you will able to download it directly from the main menu of Conviction: This will be the only point where the beta is downloadable.

After downloading, however, this will be accessible directly from the Xbox 360 dashboard in the "Catalogue games, without having to enter more disk Conviction. This means that once downloaded the beta, you can give the disc to your friends to also allow them to download it.