CamStudio can record screen activity and audio on your computer. It also creates industry-standard AVI files. The SWF Producer allows you to convert those AVIs into bandwidth friendly streaming Flash videos (SWFs).
CamStudio is a great tool if someone needs to see how you do it.
It is easy to create demonstration videos using any software program. All you need to do to make them is click record. Once you are done, just click stop to save the file according to your settings.
Finalize your selections regarding the quality of the output and video-size.