After owned by Facebook , there were rumors that the most popular messenger app i.e WhatsApp will be available for PC users also.As the rumor said earlier, you will be able to use WhatsApp from your PC by simply visiting its webpage. And yesterday 21 January 2015 that rumor became true. Yes, you heard it absolutely right. Now WhatsApp is officially available for PC,no need to use third party applications like Bluestacks , Youwave etc now.
Today, for the first time, millions of you will have the ability to use WhatsApp on your web browser. Our web client is simply an extension of your phone: the web browser mirrors conversations and messages from your mobile device — this means all of your messages still live on your phone. We really hope you find web client useful in your everyday lives.
The WhatsApp team said on WhatsApp Blog.
The new web client is a simple mirror from the WhatsApp app of your phone,displayed in a Google Chrome page. Actually it is an extension of the data from your phone.Its very simple to set up,and as long as you have a working data connection on your phone you will be able to use WhatsApp on your PC.
One more thing I want to tell our readers that , for using the PC version of WhatsApp you must have an android phone with WhatsApp installed on it.And for PC you need Google Chrome web browser. So,if you open the WhatsApp web version using other web browser,you will see the page below.
To use the WhatsApp Web , first of all visit this page https://web.whatsapp.com/ using Google Chrome. You will be greeted with the following page.
Now You will see a QR code — scan the code inside of WhatsApp, and you’re ready to go. You have now paired WhatsApp on your phone with the WhatsApp web client. Your phone needs to stay connected to the internet for our web client to work, and please make sure to install the latest version of WhatsApp on your phone.
Unfortunately , the Web Version of WhatsApp is not available for the iOS users at this time due to some limitations of the platform.That’s all for now.
If you are using WhatsApp on your phone , give it a try and let us know how it went through comments.
Source : http://blog.whatsapp.com/614/WhatsApp-Web