How to Install ZtotopCase Keyboard Case for iPad Air 4 10.9" 2020

Exclusively designed for iPad Air 10.9 Inch 2020 (4th Generation, Model: A2072/ A2316/ A2324/ A2325 ). Not for Any other Tablet Models. ?The Device and Pencil are not included? Official Website:https://www.ztotopcase.com/ Facebook:https://www.facebook.com/Ztotopofficial-100635468685269 instagram：https://www.instagram.com/ztotop_global/