how to take Black & White potrait

what do you need for a easy Black and white potrait?
1.a cam
2.set the ISO to highest to gain the grainy and can capture the picture faster
3.table lamp
4.a dark place
5.set your cam EV shift to -(negative) just to capture lighs, not all the face, just leave th dark place dark.

6.place your lamp near the subject, and compose your own picture.