Whatsapp released web version currently works only on the Chrome browser more browsers will be supported soon. Also your phone need to have connected to the internet to login.
- Access https://web.whatsapp.com/ from Chrome browser.
- Scan QR code displayed on the webpage using WhatsApp
- Windows Phone – WhatsApp > Menu > WhatsApp Web
- Android – WhatsApp > Menu > WhatsApp Web
- BlackBerry – WhatsApp > Chats > Menu > WhatsApp Web
- BlackBerry 10 – WhatsApp > Swipe down from top of screen > WhatsApp Web
- Nokia S60 – WhatsApp > Menu > WhatsApp Web
- Once scanned you will be logged in.
Note: If you are logging in from common computer just uncheck “keep me signed in” and logout when leave.