Google Family Link is a great way to add payment to your account. To add payment, go to the Google Family Link website and click on the Add Payment link. You will be taken to a page where you can enter your bank account information. After you have entered your bank account information, click on the Add Payment button. You will be taken to a page where you can select the amount of money you want to pay. The amount of money that you choose will be added to your Google Family Link account.