WhatsApp is a messaging app that is used by millions of people around the world. It has been in the Windows Phone market for a while now and it has been getting better and better. One of the great things about WhatsApp is that you can use it on your computer as well as your phone. You can easily send messages, photos, and videos to other people using WhatsApp. To use WhatsApp on your Windows Phone, you first need to install the WhatsApp app. Then, open it and sign in with your account information. Once you have signed in, you will see a list of all of the people that you are connected to through WhatsApp. You can then select one or more of these people and send them a message using WhatsApp. To do this, just tap on the person’s name in the list and then type out a message. The message will be sent to that person right away!