对于 openSUSE Tumbleweed，请以根用户 root 运行下面命令：
zypper addrepo https://download.opensuse.org/repositories/home:lighthomo/openSUSE_Tumbleweed/home:lighthomo.repo
zypper refresh
zypper install plasma6-applet-window-buttons
对于 openSUSE Slowroll，请以根用户 root 运行下面命令：
zypper addrepo https://download.opensuse.org/repositories/home:lighthomo/openSUSE_Slowroll/home:lighthomo.repo
zypper refresh
zypper install plasma6-applet-window-buttons
对于 devel RISCV standard，请以根用户 root 运行下面命令：
zypper addrepo https://download.opensuse.org/repositories/home:lighthomo/devel_RISCV_standard/home:lighthomo.repo
zypper refresh
zypper install plasma6-applet-window-buttons