If you use Windows Vista or Windows 7
If you use Windows XP
You might need to perform additional configuration as follows:
On the Recording Control window, choose Properties from the Options menu. Make sure that all volume controls in the list are checked and click OK.
Back on the Recording Control window, select the source called “Stereo Mix”, close the window and return to Step 3.
Select an option to record PC sounds and microphone to separate tracks. You can do it in the Record wizard or on the Sound tab of recording options.
Make sure that you can record PC sounds in general (see above). Next, follow these steps: