Multimedia: Send Video, Images, and Voice notes to your friends and contacts.Send a million messages a day to your friends for free! WhatsApp uses your Internet connection: 3G/EDGE or Wi-Fi when available. No hidden costs: Once you and your friends download the application, you can use it to chat as much as you want.In addition to basic messaging WhatsApp users can create groups, send each other unlimited images, video and audio media messages. WhatsApp is a cross-platform messaging service that uses the same internet data plan you use for email and web browsing, there is no cost to message and stay in touch with your friends. Other alternatives for messaging on Windows Phone include Viber, Telegram, or simple SMS. If you were looking for the Windows desktop client for WhatsApp, you can download it here. WhatsApp is available for Android, iPhone, Windows and macOS desktop clients. WhatsApp is no longer supported on Windows Phone, it was officially discontinued on December 2019.