Make sure you are using one of the mentioned OS. YakYak (Desktop client for Google Hangouts) is compatible with Mac, Windows and Linux.Let’s see how to get it on work and what all things it has to offer : Pre-requisite before you Install Google Hangouts : It doesn’t matter whether you are running a Mac, Windows or Linux, this amazing Desktop client for Google Hangouts works on all the mentioned OS flawlessly. Nevermind, there’s a project running on GitHub which is actually an unofficial Google Hangouts desktop client working as efficiently as the original web version. We all want to install Google Hangouts on desktop for our own convenience, but unfortunately there’s no official Google Hangouts standalone client as of now.
With added features and improved UI, Hangouts is even giving stiff competition to Skype but is still lacking due to absence of it’s desktop client. Google Hangouts aggressively killed it’s elder sibling a good while back.
Do you remember Gtalk? No man don’t lie, you forgot it.