Where do I plug the computer microphone for speaking on live messenger?

Where do I plug the computer microphone for speaking on live messenger?

In your Mic within connector on your soundcard. I think they are usually Red in our time, but it will almost always hold a little etched picture of a mic beside it.
into the mic input plug on you audio card most unmarked computers should have a port on the front of the computer fundamental the bottom of the tower.
look at the back of your computer. you should find a pink hole which is beside a green and a blue hole. the green is for the speaker, the pink is for the microphone and the blue is for.... sorry i forgot.