For openSUSE Tumbleweed run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:mad_soft/openSUSE_Tumbleweed/home:mad_soft.repo
zypper refresh
zypper install plataro-icon-theme
For openSUSE Slowroll run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:mad_soft/openSUSE_Slowroll/home:mad_soft.repo
zypper refresh
zypper install plataro-icon-theme
For 15.6 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:mad_soft/15.6/home:mad_soft.repo
zypper refresh
zypper install plataro-icon-theme
For 15.5 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:mad_soft/15.5/home:mad_soft.repo
zypper refresh
zypper install plataro-icon-theme
For 15.4 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:mad_soft/15.4/home:mad_soft.repo
zypper refresh
zypper install plataro-icon-theme