For openSUSE Tumbleweed run the following as root:
zypper addrepo https://download.opensuse.org/repositories/editors/openSUSE_Tumbleweed/editors.repo
zypper refresh
zypper install focuswriter
For openSUSE Factory zSystems run the following as root:
zypper addrepo https://download.opensuse.org/repositories/editors/openSUSE_Factory_zSystems/editors.repo
zypper refresh
zypper install focuswriter
For openSUSE Factory PPC run the following as root:
zypper addrepo https://download.opensuse.org/repositories/editors/openSUSE_Factory_PPC/editors.repo
zypper refresh
zypper install focuswriter
For openSUSE Factory ARM run the following as root:
zypper addrepo https://download.opensuse.org/repositories/editors/openSUSE_Factory_ARM/editors.repo
zypper refresh
zypper install focuswriter
For 15.6 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/editors/15.6/editors.repo
zypper refresh
zypper install focuswriter
For 15.5 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/editors/15.5/editors.repo
zypper refresh
zypper install focuswriter