Open the legs first and slide them to the base of the stand. Tighten the knob to hold them in place.
Extend the microphone boom and tighten it at the height you can comfortably sing or talk into the microphone.
Adjust the boom closer or further away. This is done by sliding it by undoing the knob on top and then, once the desired length is achieved, tighten the knob.
Tilt the piece that holds the microphone up and down for fine-tuning adjustment levels.