How to Increase Your Microphones Sensitivity on Windows Vista

Have you ever had the problem that your michrophone isnt sensitive enough? well this is how you increase your microphone sensitivity.
P.S this is my first instructable so please give me constructive criticism

open control panel

open the sound icon

click on the recording tab

double click on the microphone icon

click the levels tab and drag both bars all the way to the right

finished. i hope my instructable helped