Create a record.
From the menu on the left select Store/Products

Click on the "Add new" button to create a new record.

Add the Title. You may also add a Short description. Both the Title and the Short Description will be displayed in the order form.

Click on the right > arrow to expand the Payment settings' section.

Add a Price. The price can be a "Flat amount" or you can setup a Recurring Payment Plan (subscription.)
Under the "Payment options" click on the windows icon. A pop up window will open.

The pop up window displays the Payment options you have added so far. In our example click on the "Paypal and credit cards" link. Then click the "Close" button to close the pop up window.

The Payment option you selected has been "attached" under the Payment options.

Click on the right > arrow to expand the Product settings' section.

There is no need to edit anything in that section.
The "checked by default in the order page" checkbox could be checked if you listed more than one product in the order form. You can create only one Product with the free version, hence there is no need to check that button.
In regard to the "Sale notification sent to customer":
DELAVO will send the "default e-email" to the customer with the information s/he needs to access his/her purchase. You can customize this e-mail by selecting the corresponding radio button (not suggested.)

Click on the right > arrow to expand the Digital delivery's section.

What you will insert in the "Instructions" area will be displayed to customer into the Thank you page after the completion of the order.
Under the "Download(s)" click on the windows icon. A pop up window will open.

The pop up window displays the all the records you have created. Click on the corresponding record's link you want to attach in the Product's record. Then click the "Close" button to close the pop up window.

The record that delivers the digital file has been "attached" under the Download(s) section and it will be displayed to the customer in the "Thank you" page after the completion of his/her order.
If you do not want that link to expire, delete the number 48 under the "Link(s) expire in hour(s)". If you leave it as it is, the link will expire in 48 hours after the completion of the customer's order. You can always change the number of hours to expire the link.

You're almost ready.
You can save the record and then include it to a Package's record.
In this example we'll use the "1-click Package" option to automatically create a record of Package and include the Product's record in it.
Click on the down arrow next to the Save option and select "1-click Package".

The screen will refresh and you will be directed to the Package's record.
You just created the record of the Product. 👌
You can repeat the process to add new records if your DELAVO plans allows it.