How to set it upSetting up the Signal Desktop application is straightforward. In that sense, the desktop version of Signal comes and saves the day. A lot of people prefer using their computers entirely without feeling the need to be distracted by their phones. One of the great features of Signal is that it has a desktop version to ensure that you can use it even while you are on a PC. While the creators have prioritized privacy, they have not compromised on other features either. The major reason behind its fame and success has been the promotion of privacy and security since its inception. Price: $ For those who do not know, Signal is one of the most popular names in the IM (instant messaging) applications section for Android.