Get the latest version of Google Chrome on the desktop, laptop or the tablet you want wahtsapp to install. The steps required to install and use whatsaapp on a desktop computer or laptop etc are as under:ġ. Please bear in mind that to install whatsapp on these (other than mobile phone) you have to have whatsapp installed at your mobile phone meaning thereby that this facility is available only as supplement to the mobile whatsapp users. Now the popular smart phone whatsapp messenger application can be accessed on windows based laptop or computers also with the help of google chrome browser. As per media reports, in November, 2014, Whatsapp users in India has touched 70 million mark.