Download Details Widget
EDD comes with a Download Details widget available. This widget allows you to display the details for a product in a widget area. You may set the title, the Download, and any of 4 things to render. The admin UI is visible below on the left. An example front end view is available on the right.
If you choose "Use Current" the widget disappears on pages that do not have a Single Download on them.
Your other options are any Download in your store.