需要 openSUSE Slowroll ，用 root 執行：
zypper addrepo https://download.opensuse.org/repositories/X11:COSMIC:Factory/openSUSE_Slowroll/X11:COSMIC:Factory.repo
zypper refresh
zypper install cosmic-idle
需要 openSUSE Factory ，用 root 執行：
zypper addrepo https://download.opensuse.org/repositories/X11:COSMIC:Factory/openSUSE_Factory/X11:COSMIC:Factory.repo
zypper refresh
zypper install cosmic-idle
需要 16.0 ，用 root 執行：
zypper addrepo https://download.opensuse.org/repositories/X11:COSMIC:Factory/16.0/X11:COSMIC:Factory.repo
zypper refresh
zypper install cosmic-idle