Just simply search Audacity in google. It's an open source program which you can download easily, the user interface is simple to understand.
See also: http://lovelace.augustana.edu/q2a/index.php/2621/how-can-we-record-sound-from-our-computers
Thank you for letting us know!
Yes, thank you!!
I didn't think of this! Thanks for reminding me
Thank you, I will try it out.
Thank you. I will try it.
thank you it worked for me too.
This helps a lot. Thank you, Kashav