windows版
打开Anaconda prompt
conda config --add channels https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/free/
conda config --add channels https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/main/
conda config --set show_channel_urls yes
conda config --add channels https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/pytorch/
# for legacy win-64
conda config --add channels https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/peterjc123/
conda activate pytorch
然后把官网复制的代码删除 -c pytorch
参考博客如下：
https://www.cnblogs.com/zhouzhiyao/p/11784055.html
https://blog.csdn.net/WannaSeaU/article/details/88427010