Enable Autologon

You can start up without needing to enter a user name or password.
Select Run... from the start menu and type control userpasswords2 , which will open the user accounts application.
On the Users tab, clear the box for
Users Must Enter A User Name And Password To Use This Computer , and click on OK.
An Automatically Log On dialog box will appear; enter the user name and password for the account you want to use.