If you do not want to enter password every time you log in Windows, please follow below steps to delete password.
1. Press Ctrl+Alt+Delete and then click [Change a password].
2. Type password for current account.
3. Keep [New password] and [Confirm password] fields blank. Then click [Submit] icon or press enter key.
Now you or anyone can log in your local account and use Windows without password. If your computer is on a domain, please contact network administrator to remove domain password.