6 STEPS
1
With WooCommerce installed, go to Products click Add New
2
Scroll down and click Downloadable
3
To add your downloadable file, click Add File
4
Type in your File name
5
You will paste the URL to the file here. (I prefer to upload the downloadable files, especially if they are large, to an external drive such as DropBox to store.)
6
Give your product a title, price, image(s) and description and click PUBLISH.
Here’s an interactive tutorial for the visual learners
https://www.iorad.com/player/1603780/How-to-add-a-downloadable-product-using-WooCommerce