I chose the next temple "http://unbouncepages.com/noua-paradigma/.
Area of “download now” of material promised by subscription
How do upload ebook (PowerPoint files) to be downloaded on demand
We don’t yet allow you to upload your own file (powerpoint, pdf, etc…) but that feature is coming very soon. Until then, you will need to upload it somewhere else (dropbox.com is a good online app if you don’t have any of your own hosting) and then direct the user to the URL of that file in the Form Confirmation properties like this:
We’ll be sure to let you know as soon as this feature is available within Unbounce.