Para openSUSE Tumbleweed execute o seguinte como root:
zypper addrepo https://download.opensuse.org/repositories/home:C7NhtpnK/openSUSE_Tumbleweed/home:C7NhtpnK.repo
zypper refresh
zypper install 7zip
Para openSUSE Slowroll execute o seguinte como root:
zypper addrepo https://download.opensuse.org/repositories/home:C7NhtpnK/openSUSE_Slowroll/home:C7NhtpnK.repo
zypper refresh
zypper install 7zip
Para 15.6 execute o seguinte como root:
zypper addrepo https://download.opensuse.org/repositories/home:C7NhtpnK/15.6/home:C7NhtpnK.repo
zypper refresh
zypper install 7zip
Para 15.5 execute o seguinte como root:
zypper addrepo https://download.opensuse.org/repositories/home:C7NhtpnK/15.5/home:C7NhtpnK.repo
zypper refresh
zypper install 7zip