https://gdcdyn.interactivebrokers.com/sso/Login?action=ACCT_MGMT_MAIN

To request an upgrade to Professional status, log in to Client Portal/Account Management and go to the Settings **menu followed by  **User Settings. In the Trading Platform section, click the Configure (gear) icon next to the words  Market Data Subscriptions. From the section titled Market Data Subscriber Status if there is a Configure (gear) icon in this section, click it to request an upgrade to Professional.

Additional information on the subscriber status can be found in our Users’ Guide.