To modify your My Account profile, you must first log in to your account. Click the "My Account Login" link in the My Account section of the navigation menu along the left side of this page. Enter your e-mail address and password in the appropriate fields on the login page, then click "Sign in".
The welcome page that follows will display the "My Account Settings" section, along with the "My Orders" and "Shopping Resources" sections.
Under "My Account Settings", see icons labeled "E-mail and password", "Company profile", "Contact information", and "Subscriptions". Click the icon corresponding to the information you need to update.
On the page that follows, update the information in the appropriate fields, and click "Finished."