THE FIRST STEP TO ADDING BILLING INFORMATION:
~ Once your have logged in to your Google Adwords Account, navigate to the “gear” button located at the top right of your screen near Google’s notification icon:
THEN FOLLOW THE PROMPTS TO ENTER IN YOUR BILLING INFORMATION AS THEY APPEAR:
~ Select where your billing address is located.
~ Then enter your billing address, primary contact details, and payment information.