The forms are in Portable Document Format (PDF). To display this file type, you will need the Acrobat Reader software, which is available free of charge. Adobe Acrobat is a platform-independent document format. It is based on Postscript, which provides for a high-quality image on the monitor. In addition, printouts are generally of good quality. Much interesting information on the Internet is provided in this document format. Therefore, it is worthwhile to install the Acrobat Reader!