This application allows you to stay signed in or automatically logged off after a certain inactivity period. When you launch the application for the very 1 st time you need to scan a QR code with your phone in order to synchronize your device and grant the access to your account. In order to use this application you need to have an account on WhatsApp. Whatsapp for Windows PC has got very simple and minimalistic user interface which is equipped with broad spectrum of straightforward functions. WhatsApp is primarily an application for the mobile phones but you can also use it in your desktop computers. Now a days there are many options over the Internet for interacting with your friends and family but WhatsApp is the most widely used application. It is a fast, simple, secure and reliable messaging application. Whatsapp is an application which is being used worlwide for sending text messages and multimedia to others. You Can also create chat groups simply by selecting New Group option from the context menu.