Terry : Install yaourt

Add repository in /etc/pacman.conf

i686 or x86_64

Server = http://repo.archlinux.fri/$arch

Sync with all repositories

pacman -Syu

Install yaourt

pacman -S yaourt

How to use yaourt
Basically yaourt is a script, a wrapper of pacman.

System upgrade, check all packages

yaourt -Syu

Install or build the package via PKGBUILD from AUR

yaourt -S

Fully upgrade all AUR packages

pacman -Syu --aur