While logged in, click on the top-right corner to expand your user menu, and select Plan + Billing.
1. While logged in, click on the top-right corner to expand your user menu, and select Settings.
2. Click on Plan & Billing:
3. Scroll down until you see this Change info button in the Your payment details box:
Click on Change info.
4. Change your payment details as needed. When you've finished, click Update billing information: