gHacks shows you how to log on automatically on Windows 8 using a Microsoft Account
Windows 8 users have options to log on to the system using a local account or a Microsoft Account. Both options have their advantages. The local account does not communicate with Microsoft during logon, while the second enables the synchronization of select personalization features of the operating system on each system the user logs on.How to log on automatically on Windows 8 using a Microsoft Account
If you are using a Microsoft Account to log on to Windows 8, you have probably noticed that you have to enter the user account password each time you are doing so while the username is filled out automatically by the operating system.
If you are the only user on the system you may want to speed up the logon process by enabling automatic logons on the system.