Changing your password can be done from within your Account Dashboard. The dashboard allows you to alter your account settings, your password can be found within the Account Details tab.
Simply click to load the edit account page and then locate the password fields, you will need to enter your current password first to validate any changes. Then, you can enter and then confirm your new password. Click the Save changes button to update the settings. You will need to enter the new password when you next Log-In.