For openSUSE Leap 15.6 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/network:wicked:factory/openSUSE_Leap_15.6/network:wicked:factory.repo
zypper refresh
zypper install wicked-service
For openSUSE Leap 15.5 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/network:wicked:factory/openSUSE_Leap_15.5/network:wicked:factory.repo
zypper refresh
zypper install wicked-service
For SLE 15 SP6 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/network:wicked:factory/SLE_15_SP6/network:wicked:factory.repo
zypper refresh
zypper install wicked-service
For SLE 15 SP5 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/network:wicked:factory/SLE_15_SP5/network:wicked:factory.repo
zypper refresh
zypper install wicked-service
For SLE 15 SP4 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/network:wicked:factory/SLE_15_SP4/network:wicked:factory.repo
zypper refresh
zypper install wicked-service
For SLE 15 SP3 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/network:wicked:factory/SLE_15_SP3/network:wicked:factory.repo
zypper refresh
zypper install wicked-service
For SLE 12 SP5 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/network:wicked:factory/SLE_12_SP5/network:wicked:factory.repo
zypper refresh
zypper install wicked-service