Untuk Arch Linux, sunting /etc/pacman.conf dan tambahkan berikut ini (perhatikan bahwa urutan repositori di pacman.conf adalah penting, karena pacman selalu mengunduh paket yang pertama kali ditemukan):
[home_dr0mmer_Arch]
Server = https://download.opensuse.org/repositories/home:/dr0mmer/Arch/$arch
Kemudian jalankan berikut sebagai root
key=$(curl -fsSL https://download.opensuse.org/repositories/home:dr0mmer/Arch/$(uname -m)/home_dr0mmer_Arch.key)
fingerprint=$(gpg --quiet --with-colons --import-options show-only --import --fingerprint <<< "${key}" | awk -F: '$1 == "fpr" { print $10 }')
pacman-key --init
pacman-key --add - <<< "${key}"
pacman-key --lsign-key "${fingerprint}"
pacman -Sy home_dr0mmer_Arch/firefox-kde