"PDF" stands for "Portable Document Format." To use his, you will need to download and install the Free Adobe Acrobat Reader. This is a small plug in that will allow you to use your browser to read and print .pdf files. Most likely, you already have this installed in your system -- it is used by many companies to read the electronic help documents they include with newer computer programs. Click on the button above to download your Free Adobe Acrobat Reader (for Windows, Mac, or Unix).