Instalar Yaourt

sudo pacman -S abs





sudo pacman -S base-devel

wget http://aur.archlinux.org/packages/package-query/package-query.tar.gz
tar zxvf package-query.tar.gz
cd package-query
makepkg -si
cd ..

 wget http://aur.archlinux.org/packages/yaourt/yaourt.tar.gz
tar zxvf yaourt.tar.gz
cd yaourt
makepkg -si
cd .. 

Listo

A probar sin sudo : yaourt programa