Playing with hair

so i have been trying to make a outfit using the hair emitter, i fallowed a tutorial on you tube… probably not original, but i fallowed it the best i could because im using a different version then he is, all im able to do is change the color on the side window under view-port display and in the scene collection window the materiel/shader is showing up red, im using the beta Blender, if anyone can help me id be greatful, i have screen shots if anyone can tell me how to upload them XD