This is a highly informative video tutorial on how to use the software CamStudio to screen record anything on one's desktop. One simply has to open a search engine like Google, type in 'camstudio' and hit the search button. On Google, the official website, camstudio.org, is the first one in the search results. Once that is opened, just scroll down, click on the link camstudio20.exe, and then click 'save file'. Once downloaded, this software can capture all the audio and video activity on the system and save it as a file in the AVI format.