iPad keyboard case installation:

Here you can view video setup guides or download PDF guides (available in the links list below) 
1) Place your iPad in & out of the case :
2) Pair your iPad with the smart keyboard case
To connect your iPad to your keyboard use these 3 steps :
Please notice there are 2 options for doing that depending on your case
3) Play Video and learn how to enable and use your smart case Trackpad

To learn about trackpad gestures and advanced settings Visit here 

Other iPad Accessories :

Smart iPad-OS Mouse Manual 

IpadOS hubs manual