Easy ? Yes, here we go →
→ Go to the J! back-end to the "Let`em pay" component extension.
→ In the component's options set up your PayPalAccount informations.
→ Create a category, upload your file and assign it to this category.
→ Go to the module extension (in Module Manager) in the options define the price, assign the category for sale and publish the module.
☺ Congratulation, you are selling from now on !

(This extension is designed for "Paypal for Digital Goods - Express Checkout".)

EE THE VIDEO AT : http://joomla.vavro.me/let-em-pay