1. 下载
下载地址
http://mirrors.ustc.edu.cn/debian-cd/current/amd64/iso-dvd/
https://mirrors.cloud.tencent.com/debian-cd/
https://mirrors.tuna.tsinghua.edu.cn/debian-cd/
https://mirrors.huaweicloud.com/debian-cd/
2. 安装
按需选择