This is a shell script that I use to install Arch Linux, with some options to customize the install a bit.
1- You will need to boot from a live version of arch linux.
2- Download and make the script executable
pacman -Syy
pacman -S git
git clone https://github.com/PABlond/arch-install-script
cd arch-linux-script
chmod +x install.sh
3- Execute install.sh
./install.sh
4- While logged (with arch-chroot) :
/root/post-install.sh
exit
reboot