Adobe Acrobat Reader

Adobe Reader is free software that lets you view and print Adobe Portable Document Format (PDF) files on a variety of devices and operating systems.

Microsoft Office Converters & Viewer

With the help of converters and viewers from Microsoft Office, you can share your Microsoft Office files with people who have different versions of Office programs, or even with people who don't have Office installed.

Microsoft Windows Media Player

Universal media player for receiving audio, video, and mixed-media files in today's most popular formats. Use it to listen to or view live news updates or broadcasts of your favorite sports team, view a music video on a Web site, "attend" a concert or seminar, or preview clips from a new movie.

QuickTimePro

Create Internet-ready audio and video, add special effects to your movies, and unleash the full power of QuickTime

RealPlayer

A media player used to receive both audio and video files in most popular formats. Real Player features brilliant video with picture controls, superb audio with graphic EQ, and over 150 live radio stations built-in.

Flash Player

Required to view the animations on this site and the movie simulations in the Virtual Tutorial.

Shockwave

Required to view the animations  and movie simulations in the Virtual Tutorial.