Here are a few simple steps to add a form of payment in your Google Ads Account: 

1. Log into your Google Ads Account

2. If you have more than one account, Select Accounts

2. If you have only one ad account, skip to Step 4

3. Then select the ad account that needs payment updates

4. Select Tools & Settings

5. Select Billing

6. Select Billing Settings

7. Enter your credit or debit card information, then select Submit

Note: If you are not automatically prompted to add your payment information:

1. Select Payment Methods

2. Select Add Payment Method

Click here to learn how to give Winnow access to your Google Ads Account.