There aren't many parts in an awning - they comes as "assemblies". But you do generally need a helper to make the job practical - and safer as well. And two ladders for most jobs as well.
By all means get professional help if you aren't comfortable with any task, both technically and safety-wise.
2004 American Tradition; 2014 Buick LaCRosse
Homebase in the Ocala Nat'l Forest near Ocala, FL