This is the 1.08 version of the Age of Bloodshed Expansion. To get the most out of this expansion and have the ability to play the campaign, you should install this expansion to Age of Empires II HD: The African Kingdoms. Use the readme files in the various folders for instructions for Age of Bloodshed installation.
Where can the African Kingdoms folder be?
It could be under "Games" or "Program Files". You can use the search box if you forgot where you installed yours.