how to download halo aniversery demo

At this year’s Comic-Con, the guys over at 343 Industries demonstrated Halo 1 remake classic campaign level Silent Cartographer. In this demo players will get to see some of the few changes such the graphics. One awesome feature that is shown in this demo is the ability to view the original Halo game. With a push of a button, players will be able to see all the changes they have made by comparing the original Halo from any location in the game to the updated version. Hit the jump to watch the full demo.