For standard run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:tiwai:bsc1231599/standard/home:tiwai:bsc1231599.repo
zypper refresh
zypper install kernel-default
For S390 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:tiwai:bsc1231599/S390/home:tiwai:bsc1231599.repo
zypper refresh
zypper install kernel-default
For RISCV run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:tiwai:bsc1231599/RISCV/home:tiwai:bsc1231599.repo
zypper refresh
zypper install kernel-default
For PPC run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:tiwai:bsc1231599/PPC/home:tiwai:bsc1231599.repo
zypper refresh
zypper install kernel-default
For LEGACYX86 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:tiwai:bsc1231599/LEGACYX86/home:tiwai:bsc1231599.repo
zypper refresh
zypper install kernel-default
For ARM run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:tiwai:bsc1231599/ARM/home:tiwai:bsc1231599.repo
zypper refresh
zypper install kernel-default