This was probably the day most expected by many. The WhatsApp Development Team he said that the app is now available in your browser, but also on devices that run Android, Windows Phone or BlackBerry.
The new Web client is actually a simple mirror of the application Whatsapp that you have installed on your phone.
So to use it, you need an active connection to your phone, not just your computer.
To get started, you'll need to scan a QR code and have the latest installed version of WhatsApp on your device.
You should also use the program browsing Chrome on your desktop.
WhatsApp founder Jan Koum said that due to Apple's restrictions, it will not release any version for iOS devices.