1) Log In – click the log in link in the upper right corner of the web page. If you already have a profile, enter your user name and password. If you have not created a profile yet, enter a user name and an email address.
Click on log in.

2) Edit your profile/user informtion – once you are logged in you will be taken to a page where you can edit your profile. Edit your information as needed.
         

3) Click the Submit button at the bottom of the page

You have now changed your profile.