Start by dragging one of the E-Commerce Revenue Elements to a page.
The Product Block: This is a small, square product element. This is very suitable for creating a grid of products in conjunction with our 2-Column Element.
When you Publish your changes, the Add to Cart button should start working immediately.
What if you need to change your account email address or change the currency used on your site? Go to the Settings tab and select the E-Commerce option. Here you can switch between PayPal and Google Checkout, change your e-commerce account email address (if you need to switch to a different PayPal or Google account) and switch your Currency to something else using the provided drop-down.