To update your credits, you can use steps 1-3 outlined in Adding Credits.

<aside> ⚠️ We use your email to identify you in Keywords in Sheets. When updating your credits, you will need to use the same email address you used when purchasing your initial credits, or a separate account will be created.

</aside>

The only difference when updating your credits, is that you can enter your new licence key in the logged in dashboard displayed below:

When you hit Update Licence the sidebar will refresh and your credits will be updated.