Signal

# 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 -a /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 -a /etc/apt/sources.list.d/signal-xenial.list

# 3. Update your package database and install signal

sudo apt update && sudo apt install signal-desktop