If you are like me and don't want to have to enter your password each time Windows loads, you can have Windows start up without prompting you to enter a user name or password. The simple (and BAD) way to do this is to simply not have a password on your user account, but that’s a big security risk and will allow people to easily remote desktop into your computer.
So, first set a password on your windows account if you don’t already have one. Then select Run... from the start menu (or use Windows Key + R to open the Run window) and type…
Read more at http://blog.danskingdom.com/have-windows-automatically-login-without-entering-your-password/