Steps:

1. Click on the Profile icon at the bottom of the TV screen between Movies and the Search (magnifying glass) icon.
2. Click on the Settings (cog wheel) icon at the top right of the screen.
3. Click on Manage Profiles.
4. Click on Add New Profile.
5. Enter the New Profile Name using the on-screen keyboard.
6. If desired, double-click the image to choose a new image.
7. Save.