How To use Whatsapp Without SIM- Bina SIM Card Ke Whatsapp Kaise Istemaal Karte Hain

How to use Whatsapp without SIM? How to install Whatsapp without a SIM Card? Bina SIM card ke whatsapp kaise istemaal karte hain? Bina SIM card ke Whatsapp kaise install karte hain?