1. Click the Start menu and type “netplwiz.” The top result should be a program of the same name – click it to open.
2. In the User Accounts screen that launches, untick the box that says “Users must enter a name and password to use this computer.”
3 .Uncheck the box "User must use password etc.
4 . Hit “Apply.”
5. When prompted, re-enter your password to confirm the changes.
6. Click “OK” once more. Your password will then be removed, and no need the to sign in now.