1.Unpack all parts from carton carefully. 2.Carefully pull-out excess power cord from the lamp base while assembling to prevent the cord from becoming twisted. 3.Tighten the tube(B)into the base(A)until tight. 4.Tighten the tube(C)into the tube(B)until tight. 5.Tighten the tube(D)into the tube(C)until tight. 6.Tighten the iron(E)into the tube(D)until tight. 7.Tighten the lamp socket(F)into the iron(E) until tight. 8.Place the harp(G)onto the lamp socket(F). 9.Place the shade(H)onto the harp(G). 10.