You must add contacts manually in WhatsApp PC.There is a disadvantage to downloading it from WhatsApp anymore as you cannot import your mobile contact list to a PC.The best thing about WhatsApp is that there are no annoying ads, even if it’s free software.WhatsApp is the same for all operating systems, regardless of the operating system it runs on, it always starts up quickly and works properly.All you need to do is install Whatsapp, check your phone number and add a profile picture if you need it.Whatsapp has a very nice interface and a unique way to register.More than 500 M + users from around the world use Whatsapp.Although there are also many alternatives to WhatsApp such as Viber, Nimbuzz, Line, Kik Messenger, no one can beat WhatsApp’s features and Whatsapp’s popularity.Whatsapp sends messages instantly around the world.Whatsapp is renowned for its fast and free service.