WhatsApp is a well known application among Android users. Generally you can use it with your android device to send free sms and make free calls. You can download it by clicking the link given below from the official play store.
> Download WhatsApp Android Version From Play Store

Now, I'm going to tell you how to use WhatsApp in pc. So, let's start:

> First of all, we need any Android Emulator, such as BlueStacks.
> Now, install BlueStacks in your pc.
> After installation completes, just open BlueStacks application and search for WhatsApp OR click on Messanger.
> Locate and click on its icon to download it.
> After downloading, whatsapp will be installed automatically and then you can use it in your pc.
> Enjoy.