Instructions
Open the Avatar Editor to start changing your avatar's style and appearance. Select the "Customize Avatar" option from the "My Xbox" menu to open the Editor.
Choose the "My Style" to browse through the clothing options in the Avatar Editor. Enter each of the menus such as Gloves, Shoes and Tops to fully dress the avatar according to your style. Press the "A" button over each article to equip it to your avatar.
Go back to the main menu of the Avatar Editor and enter the "My Features" menu to customize your avatar's personal appearance. Select the character's height, nose, skin color, hairstyle, mouth and more from this menu.
Keep your custom avatar by using the "Save and Exit" button on the Avatar Editor main menu. After saving your avatar, it returns you to the "My Xbox" menu.