For openSUSE Tumbleweed run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:neifua/openSUSE_Tumbleweed/home:neifua.repo
zypper refresh
zypper install noctalia-qs
For openSUSE Slowroll run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:neifua/openSUSE_Slowroll/home:neifua.repo
zypper refresh
zypper install noctalia-qs
For 16.0 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:neifua/16.0/home:neifua.repo
zypper refresh
zypper install noctalia-qs