How to remove Windows 8/8.1 Password Login Screen. Step 1)
Login to your user (Admin) i.e. just start the Windows 8 with your username and password.
Open command prompt (shortcut "Windows key+R") and type "netplwiz" without quotes.
Click on that and other windows will open. In that window uncheck the box where it says User must enter user name and password to use this computer. On the next window enter your username and password.
That's it now click OK and restart your computer to see the effect. Yup now you don't need to enter the username and password each time when you logon the Windows 8.
Tags: How to remove Windows 8/8.1 Password Login Screen