These documents are in Adobe Acrobat Reader (.pdf) format. Most computers now come with this software bundled.
When you click on the link, Acrobat Reader will (depending on how you have your browser configured) launch
automatically and present the document on the screen for printing or ask you if it's OK to open.
If you do not have Adobe Reader, try Foxit Reader for Windows -- it's free, fast, and a small download.
If your computer isn't running Windows, check Adobe's website to find a version of Adobe Reader for your operating