From your left toolbar choose APPS and find Shopping Cart module.
- Step #2
Go to Products Section
New window will appear with Shop's Dashboard. You can see Products section on the left side, but to add a new product you can click Add a new product button. - Step #3
Product's settings
In product's settings you can set product's name, description and price. - Step #4
Save changes
When changes are saved, your new product is immediately available. You can close Shop window and refresh your page if you want to see latest changes.