It is easier than the guide in the box even shows it.
#1 Buy a decent heading compass as my attached photo shows. $12
#2 Make 1000% sure your mast/mount post is plumb/level all around. DO NOT use wood. As water, ice & sun hit it over time it will warp throwing off your signal.
#3 Find your zip specific dish settings, azimuth, elevation and skew.
#4 Set the skew and leave it alone.
#5 If your mast is perfect, you should be able to set the elevation and leave it.
#6 Loosely set the dish on the mast and use the compass to align the azimuth; you can eyeball and "bump it" to get your signal readings. Wait a few seconds (10) between each bump.
#7 Look for 93+ (get your highest reading) and snug it down.
This is just a VERY BASIC how to, you will find it real easy to do and can always come back for more details if you need them. Heck I bet I even forgot something here it has become so 2nd nature.