The products are either simple PDF files or .zip compressed file.
- If you don’t have a PDF viewer already, you can dowload one for free at get.adobe.com/reader or at www.foxitsoftware.com/pdf-reader
- If you don’t have a tool to uncompress .zip files on your computer already, you can download a free version of WinZip at www.winzip.com or WinRar at www.win-rar.com both available for Windows, Mac and Linux.