Changing your Windows password
\1. Click the Start button at the bottom left of your screen.
\2. Click Settings from the list to the left.
\3. Select Accounts.
\4. Select Sign-in options from the menu.
5. Click on Password then Click on Change.
\6. In order to change your password, you have to sign in with your current Microsoft account password. Enter your password in the box. Click Sign in.
\7 A new page will direct you to enter your old password and then type in a new password. Reenter the new password. Press Enter.
If you see this message than you successfully changed your password.