What is Xbox Live?
Xbox Live provides the greatest player community for your game on the most advanced cross-platform multiplayer network.
To get started adding Xbox Live functionality to your game, do the following steps in order.
1. Joining a developer program
Joining the Creators Program or the ID@Xbox Program.
2. Setting up a game at Partner Center
Creating a new game at Partner Center, enabling Xbox Live for the game, and publishing the game to a development sandbox.
3. Setting up an IDE to use Xbox Live
Setting up an IDE to use the Xbox Live SDK, for your target platforms.
4. Adding basic sign-in code
Adding code to your game to enable basic sign-in to Xbox Live.