Record the screen action and create a mpeg or avi movie of all what happens on your screen. You can also select only a part of your screen to record. The program can record the sound together with the screen action. Select the sound recording device in your windows audio mixer. Up to Windows XP you can select the "Stereo mixer" device there and record everything your hear. The stereo mixer is no longer available in Windows Vista and Windows 7. In these windows versions you can use an audio cable to connect the audio output and audio input or use the microphone to record sound.