Try right clicking the speaker symbol at the bottom right of your screen, click 'Recording devices'. After that, find your microphone, right click it, press 'Properties'. Then, go to where you can boost the volume level of it, and try raising it.

Try right clicking the speaker symbol at the bottom right of your screen, click 'Recording devices'. After that, find your microphone, right click it, press 'Properties'. Then, go to where you can boost the volume level of it, and try raising it.