To require or disable a logon password in a workgroup setting

Open Users and Passwords in Control Panel.

On the Users tab, do one of the following:

• Click the Users must enter a user name and password to use this computer check box to require users to provide this information when they log on.
• Clear the Users must enter a user name and password to use this computer check box to allow a user to automatically log on. You will be prompted to provide the name and password of the user who will be automatically logged on each time the computer starts.