In order to change the password, you would need to follow the steps in this article:
You will need to make sure you are not logged in when you start this process. Also, when you see the page that shows the "verification code" box along with the "new password" boxes, please make sure to leave this page open while you get the verification from your email. If you don't, you will have to start the process over to get back to the verification code page.
I hope this helps!