archiso can be installed by running one of the following commands
pacman install
sudo pacman -S archiso
yay install
yay -S archiso-git
Once it is installed you can clone this repo with the following command
git clone https://github.com/deathblade666/Archlive.git ~/archlive
For more information on archiso please visit https://wiki.archlinux.org/index.php/Archiso or the develpments homepage at https://gitlab.archlinux.org/archlinux/archiso/-/tree/master/docs