Portable Document Format (PDF) files can be downloaded to your computer and viewed and/or printed from the free Adobe Reader software. If you do not have the reader program, you may download it from Adobe's Web site: Adobe Reader Download Page. You may wish to bookmark this RealFlight Ads page or the RealFlight home page with your browser in order to easily return after installing the Adobe Reader software.
If you are having trouble opening large PDF files in your browser, right click on the file name, select "save as" and then open the file from your desktop (or wherever you stored the file).