This tutorial helps you to set up Windows 8/8.1 log automatically on system startup, even if the user account is password protected. Configure Auto-Login for Windows
This will show you how to have Windows 8 or 8.1 sign in to a local user account or Microsoft account of your choice automatically at startup without the user needing to enter a user name and password.
Are you fed up by inputting an account and its password to log in your Windows 8 or 8.1 computer? If you do think the process is troublesome, you can set up auto login on your PC.