You can change your password in two ways:
Changing your password when you have forgotten it
Changing your password when logged in
Changing your password when you have forgotten it
If you have forgotten your password information, you can change it easily by requesting a new password.
Please read this article for more help: I have forgotten my login details. What do I do?
Changing your password when logged in
Go to your menu:
And click "My Account"
On your account page, click on "Change Password"
Follow the instructions to change your password.