Therefore, the company belonging to Facebook has fulfilled the demands of its users that wanted to be able to chat from their PC just like other alternatives to WhatsApp have allowed them to do previously, as is the case of Telegram, LINE or Facebook Messenger. Download the WhatsApp client for Windows for real What they don't all know is that this chat and instant messaging app isn't only designed to run on Android smartphones and iPhones, but can also be installed on a PC to be used from the desktop with its official application and without needing third-party developments. At this stage, absolutely everyone knows what WhatsApp is all about.