For openSUSE Tumbleweed run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:favogt:boo1231986/openSUSE_Tumbleweed/home:favogt:boo1231986.repo
zypper refresh
zypper install systemd
For openSUSE Factory run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:favogt:boo1231986/openSUSE_Factory/home:favogt:boo1231986.repo
zypper refresh
zypper install systemd
For 16.0 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:favogt:boo1231986/16.0/home:favogt:boo1231986.repo
zypper refresh
zypper install systemd