To use this repo, add the following to your /etc/pacman.conf:
[zen-browser]
SigLevel = Never
Server = https://zen-archlinux.github.io/arch
or run this:
echo -e '[zen-browser]\nSigLevel = Never\nServer = https://zen-archlinux.github.io/arch' | sudo tee -a /etc/pacman.confzen-browser-bin(stable)zen-browser-twilight-bin(twilight)
pacman -Sy zen-browser