How to install Yaourt on Arch linux
Yaourt is the community packager manager for Arch Linux.
When you are using pacman (official packager manager), you do need to use sudo, when you are using yaourt, you don’t.
Open the file below for editing:
sudo vim /etc/pacman.conf
Add it to the bottom:
[archlinuxfr]
SigLevel = Never
Server = http://repo.archlinux.fr/$arch
Install yaourt
sudo pacman -Sy yaourt