1. Go to https://www.spglobal.com/platts/en
2. Click on the blue Login/Register button found on the upper right-hand corner of the screen, and enter your registered email address and password.
3. Once logged-in, click your name and select Preference Center.
4. Select the different options on the left-hand pane, then update your details accordingly on the right side.
5. Click Save.