This guide will help you to download EndNote, create an EndNote Library for your references, show you how to export references to EndNote and how to insert references from EndNote into a document.
How to add a PDF from your computer where there is no reference in EndNote Library
You can import PDFs into EndNote and, in many cases, EndNote will populate all reference fields in your EndNote library using its Digital Object Identifier (DOI).
1. Open your EndNote library and click File -> Import -> File/Folder