Drag -MAIN- and place it at the upper left side of the page. Keep this at the outside top left of your page.
Do not delete this or the widget will not work. If you forget the Main widget or delete it, you will get this error when you preview.
Open the MAIN widget option panel and put your PayPal email address. If you do not already have a PayPal account set up please click here.
Select your currency.
Drag and drop the widget parts that you need.
Descriptions of all of the parts can be found at the links below.