Signal is one of the most secure and trustworthy communication tools available. Its transparency, strong encryption, and privacy-first approach make it an excellent choice for users concerned about surveillance or unauthorized access.
To communicate from PC to PC you are still required to use a mobile phone. For this reason this tool is NOT recommended.
NOTE: These instructions only work for 64-bit Debian-based
- Linux distributions such as Ubuntu, Mint etc.
- 1. Install our official public software signing key:
wget -O- https://updates.signal.org/desktop/apt/keys.asc | gpg --dearmor > signal-desktop-keyring.gpg cat signal-desktop-keyring.gpg | sudo tee /usr/share/keyrings/signal-desktop-keyring.gpg > /dev/null
- 2. Add our repository to your list of repositories:
echo 'deb [arch=amd64 signed-by=/usr/share/keyrings/signal-desktop-keyring.gpg] https://updates.signal.org/desktop/apt xenial main' | sudo tee /etc/apt/sources.list.d/signal-xenial.list
- 3. Update your package database and install Signal:
sudo apt update && sudo apt install signal-desktop