*sigh* Why do people keep making these threads... To answer your question (and avoid insults that will get me banned... again), you are simply too late. It was a special giveaway during a two week period close to (and or on) Bungie Day 2011. You had to link your XBL account to your B.net profile and sign into the mobile app. Once done, you could give yourself the "Eternal" armor effect for Halo Reach aswell as the "BUNGIE" nameplate. You could also give out up to seven "STAR" nameplates to yourself and your friends. Unless you own a Tardis or a DeLorean, you can no longer obtain these items, hope this helps.