You must use an animation engine like Fores New Idles in Skyrim (FNIS) or the newer Pandora Behavior Engine to register the new animations.
Mod Organizer 2 (MO2) is highly recommended over Vortex for ZAP because it handles file overwrites more cleanly. skyrim se zaz animation pack 8 plus se
ZAP does very little on its own. Its primary purpose is to act as a requirement for hundreds of other NSFW and immersion mods that need its specific animations and assets to function. Why "8 Plus" is the Preferred Version You must use an animation engine like Fores