- last post: 01.01.0001 12:00 AM PDT
First of all, please use the Search Feature. There are many threads about this already. Second, this is the wrong forum.
Now to answer your question:
First, link your account on XBOX.com, gamertag, and bungie.net account. Find info about how to somewhere.
Then, go to your Settings, Personal Info, and go to the bottom. Click the option that's not highlighted.