How to Install Yaourt on Arch Gnu/Linux

Setting Up

2. Make Pacman Repo File
   Use nano Editor like:

   sudo nano /etc/pacman.conf

   Append:

   [archlinuxfr]
   SigLevel = Never
   Server = http://repo.archlinux.fr/$arch
   

   Ctrl+x to Save and close the file.

3. Then to Install Yaourt
   Simply run:

   sudo pacman -Sy yaourt

Thanks to ostechnix.com