For openSUSE Tumbleweed run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:dudecake:Virtualization:containers/openSUSE_Tumbleweed/home:dudecake:Virtualization:containers.repo
zypper refresh
zypper install bootc
For openSUSE Slowroll run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:dudecake:Virtualization:containers/openSUSE_Slowroll/home:dudecake:Virtualization:containers.repo
zypper refresh
zypper install bootc
For openSUSE Factory ARM run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:dudecake:Virtualization:containers/openSUSE_Factory_ARM/home:dudecake:Virtualization:containers.repo
zypper refresh
zypper install bootc