To download macOS High Sierra 10.13.6, you can use official Apple support links or specialized third-party utilities if you are on a newer Mac that restricts older downloads.
成功制作好安装盘后，你就可以将其插入目标旧款 Mac。关机重启，开机时立即按住 键，直到出现启动磁盘选择界面，选择黄色的 “Install macOS High Sierra” 图标，你便可以启动全新安装流程。 download+macos+high+sierra+10136+exclusive