# just run this official script to install
archinstall
# you can read this document to install step by step by this script
https://python-archinstall.readthedocs.io/en/latest/index.html
# or watch the video on the source
pacman -S <package_name>
pacman -Syu package_name
git clone https://aur.archlinux.org/package-query.git
cd package-query/
makepkg -si
# ls /usr/share/kbd/keymaps/**/*.map.gz