Go to the Microsoft App Store. Download the app and follow the prompts to complete the installation. News Technology Tech WhatsApp is testing cross-platform chats: Here's everything we know so far WhatsApp is testing cross-platform chats: Here’s everything we know so far WhatsApp says users will be able to send messages, photos, videos, voice notes and documents to third-party messaging apps, but features like status updates, disappearing messages, and stickers won't be supported. WhatsApp Messenger: More than 2 billion people in over 180 countries use WhatsApp to stay in touch with friends and family, anytime and anywhere. WhatsApp is free and offers simple, secure, reliable messaging and calling, available on phones all over the world. WhatsApp from Meta is a free messaging and calling app used by over 2 billion people across 180+ countries. It's super simple, reliable and private, making it perfect for staying in touch with your friends and family worldwide. WhatsApp works across mobile, tablet, and desktop even on slow connections, with no subscription fees".