Double OPT-IN For Download is a lead capture plugin. The goal is to capture someone’s name and email address by offering a free download item in exchange for that individuals name and email address. If that person is interested in your free offering ( aka, “A lead” ), then they might be interested in what you have for sale. Hence, “lead capture”. If you’re new to WordPress and starting your own venture, you probably have a lot of information coming at you all at once. I find that when I am setting up a plugin in WordPress, sometimes the setup goes much smoother when I understand the actual workflow of the plugin. I have broken down the workflow of Double OPT-IN For Download into two different phases below to help you understand exactly how DOIFD works.