[第一步:预约购买与安装](%E7%AC%AC%E4%B8%80%E6%AD%A5%EF%BC%9A%E9%A2%84%E7%BA%A6%E8%B4%AD%E4%B9%B0%E4%B8%8E%E5%AE%89%E8%A3%85.md) [第二步:预约设置](%E7%AC%AC%E4%BA%8C%E6%AD%A5%EF%BC%9A%E9%A2%84%E7%BA%A6%E8%AE%BE%E7%BD%AE.md)