Help me simulate a microstrip antenna in HFSS

i am doing a project on microstrip antennas and making different microstrip antennas...i am stick to a point that i am making 3*3 array of rectangular patches for increased gain but i have not been able to simulate it in HFSS....can anybody send me some tutorials on this problem to me(coz i have very low points) or can suggest some advise to me.......regards

if u have find any material in this forum please let me know and the points required for it to download.I will donate u the required points.