Add your phone number (including country code) and click “ Activate Device.” The next step involves opening up the installed smartphone app and registering your phone number with the Signal servers. Open The Smartphone App & Register Your Phone Number Download and install the Signal program on your desktop and smartphone. At that link are also the versions for iOS and Android. Install on either Windows or Mac (there is a Linux version, but it involves a script, so go to the Signal website for that). Which is one phone number to one Signal account at a time. But right now, you have to work with what they give you. This makes anonymity rather difficult and might require someone to get a totally new SIM card just for Signal.Ī better solution would be to tie the Signal account to a throwaway email address. You must be in their phone contacts for Signal to find you. To use it, you must reveal your phone number to the other caller. There is one inherent weakness with Signal. Set Up Signal On Your Smartphone For More Secure Conversations Signal keeps no logs either, so if the government came calling for your phone logs, there would be nothing to give them. The difference is it is not owned by a for-profit company, and every message and phone call you make is heavily encrypted.

Signal is a free chat app, extremely similar to WhatsApp.

Signal encrypted messaging