For Fedora Rawhide run the following as root:
dnf config-manager addrepo --from-repofile=https://download.opensuse.org/repositories/home:ddstreet42:systemd/Fedora_Rawhide/home:ddstreet42:systemd.repo
dnf install systemd
For Fedora 42 run the following as root:
dnf config-manager addrepo --from-repofile=https://download.opensuse.org/repositories/home:ddstreet42:systemd/Fedora_42/home:ddstreet42:systemd.repo
dnf install systemd
For Fedora 41 run the following as root:
dnf config-manager addrepo --from-repofile=https://download.opensuse.org/repositories/home:ddstreet42:systemd/Fedora_41/home:ddstreet42:systemd.repo
dnf install systemd