Desktop Gold is the premium version of the AOL. It gives in a wide array of features that helps the user in making their task a lot easier. If you are by any means unable to access or manage your where is my aol gold icon then here is what should be done:
Login to your account by punching your user ID and Password.
If done right go to your contact and mail whatever you want to.
Now if you are wishing to change your username, which means that you are switching your account then log out of the account and click on the new user tab.
From there you will be taken to another account where you can use other credentials.