Well having Whatsapp in a PC ?!! question why , anyway it is posisble simply download customized VM from youwave.com and then go to google store and download whatsapp as you usuallly do by Andriod .
i think this is good if you like to sit alot on a PC , or u have some commercial you want to ads .
have i mentioned that this software only 7 days trail ? .. ya you need to purchase it and it is not expensive