I want to play games like Plants vs zombies 2, Clash of Clans and also run WhatsApp on Windows 8. How can I do that?
You can use Bluestacks App Player (http://www.bluestacks.com/) to run Android Apps on a Windows PC. But there is nothing to run iOS Apps on a Windows PC.
ipadian see if it will work (there is apps store)
You can use iPadian software to run iOS apps in Windows 8.See the below article to know how to do it -
How To Run iOS Apps in Windows PC Using iPadian
You can also use Bluestacks, Windroy or YouWave to run Android alternatives of the apps you mentioned.