Tap Avatars and follow the instructions on the screen, which will guide you through the creation process.
According to Facebook, avatars "are a new way to be you on Facebook".
But you will have the chance to customize your appearance to your taste, choosing hours of hairstyle, body shape, makeup and clothes.
Click on the instructions on the screen to get started.
When you are satisfied with your appearance, save your creation and Facebook will load a static image of your new avatar.
From there, you will have few options to edit your avatar and share it with others, including through Messenger.