You can change account/user information or password easily in your profile settings.
Changing Account Information
Point A - Click on the little arrow next to your name in the top right corner and select "My Account".
Point B - Change the account information and then hit Save Changes
Changing User Password
Point A - Click on the little arrow next to your name in the top right corner and select "My Account".
Point C - Select the user you want to edit information on.
Point D - Change the information that you want to change.
Point E - Click on the "Save Changes" button.
Changing ACCOUNT INFORMATION
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Changing USER INFORMATION
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