Auto Login into windows user accounts

The user account in any computer is a security measure but we tend to be always in a situation where we are sure that only we will be using and at time this security measure might become a bit tedious thing. So in order to remove this user Id login situation we can make achieve this using windows functionality,

This is shown below

Credits : http://lifehacker.com/5834612/how-to-log-into-your-computer-automatically