Step:1)Open the control panel.
Step:2)Click the button of (User Account And Safely Family).
Step:3)After click now you open (User Accounts).
Step:4)Click (Manage account).
Step:5)You can see the down written as (Create a New Account).
Step:6)Click this option and now you can give user name and password.
Your user name will present on the welcome screen.