After months of waiting, Halo 3 is finally free for Xbox Live Gold subscribers via the Games with Gold promotion.
The game will be free to download until October 31, so don’t hang around. Once you download the game you’ll be able to keep it forever, even if you cancel your Xbox Live subscription. Games with Gold offers subscribers two free games every month on the 1st and 16th.
You can download the game remotely from here.