A plug-in is a separate application program that enhances and adds capabilities to your Web browser so that it is able to interact with multimedia on the Web. Plug-ins make it possible to listen to audio, view video, and display documents with the quality of desktop publishing. You can also explore three-dimensional multimedia environments.

Many Web pages contain technology that your Web browser cannot handle. These pages will usually have a link to the Web page that contains the appropriate plug-in. To download a plug-in, follow the instructions that are displayed on the Web page.

You must install it on your PC. Some plug-ins will automatically start an installation program after the download is complete. Follow the installation instructions from the plug-in's installation program.

And now, for a quiz!