To create a payment via the WooCommerce Back Office:
Sign in to your WooCommerce Back Office.
Go to WooCommerce > Orders.
Click the Add an order button.
Click Add product(s) and then Add products.
In the area entitled Product search, enter the product of your choice and click Add.
In the Order actions section, click Create.
The link Client’s payment page will appear in the Order details section, click on it to be redirected to the payment page.
Select Payment by credit card as a payment method and click Pay for the order to make the payment.