.pdf - this could be the file extension for the document in Adobe Acrobat or other PDF producing programs. PDF stands for "Portable Document Format" and will often contain images, texts, forms, outlines, and links. PDF files have always been created from another file, like a web site page potentially Word document. Download page is the quick and easy solution. If you want something to setup in next few minutes and it's a temporary page if you've never made a few sales of one's product yet, bu...