How do update prices of existing products on a form?

I need to edit our prices, see below - can someone advise me how I do this?

I see that this is about your form 42582616636359, which is using a payment tool for the products. In order to change the products, please click anywhere on that payment tool, and then click on its wand-shaped icon to open its wizard:

As the payment tool wizard opens, please click on Next, Next, until you reach the products list:

In order to edit the price of any product, please click on that desired product (1), change the value in its Price field (2), and click on Save Product (3) in order to save the change to the product:

Please let us know if you need further assistance, and we will be happy to help.