Click on the Windows 10 Start Button in the bottom left hand corner of the screen.
Type the words, Your Account Info
At the top of the Start Menu, click on the option that says “Your Account Info”
On the new window that appears on the screen, click on “Sign-in options” on the left hand side.
Underneath Password, click the button that says Add.
A new window will open up called “Create a password”
Type in your New password in the space provided and then Reenter the password.
Now type in a Password hint and click the Next button and then click the Finish button.