Using the search bar, type sign in options and then choose Sign-in options from the list of results.
In Windows 10, select Password and then choose Change. In Windows 8, choose Change from the Password section.
Enter your current password in the first text box and then select Next.
Enter your new password twice to verify that you’ve typed it correctly. You can type a password hint, too, which will help remind you of your password should you forget it when logging in. It’s required in Windows 8.
You can now exit any other open Settings, PC settings, and Control Panel windows.