WhatsApp is primarily for the smart phone. You can use your computer as a secondary interface, but the computer has to communicate with the phone app over wifi.
Oh. So no luck. I really want to find some tablet ivermection. I have a few links I’ve saved, will have to look into it. I have no cell phone, service is very poor on our property; DH has one with minimal service, just for texting and phone calls Primitives here.