Open the start screen Win key and start typing Netplwiz. "User accounts" is a special program for Windows 8.1 that helps you to configure user accounts and security levels at login. In particular, the application will allow you to put the computer into server mode, when the start of sign in to your account you need to press Ctrl-Alt-Del.
Uncheck the item "users must enter a user name and password". Remember, on high-importance decisions. Yes, the extra question removed. It will save us time and nerves. But now when you press the power button, anyone can without the password to access your computer. Only one account can be used to log on when the PC or laptop running Windows 8.1.
After removal of a Daw with "to Require a password..." you are prompted for the password under which you are currently logged in. It is necessary that you definitely have confirmed their confidence in the removal of password authentication when you start Windows.
When the computer is starting with this moment the system will immediately log on under your account, as in the good old days of Windows 95 and XP.