KILLAGRANPA: Hey there! For more clarification on this, please feel free to check out our dedicated FAQ. Noxious81: Thank you so much for adding to this thread and for trying to clear up any confusion.
You didn't help! The activate button is greyed out. His video is just showing the process of activating the specialization, it's impossible if it's greyed out! Can not believe this is still an issue going on 4 years now. Pathetic!