选择安装版本 INSTALLING PREVIOUS VERSIONS OF PYTORCH 之后执行如下命令安装完整驱动 conda install -c conda-forge cudatoolkit-dev [CUDA_HOME environment variable is not set. Please set it to your CUDA install root for pytorch cpp extensions](https://github.com/conda/conda/issues/7757) 有更新! CUDA_HOME environment variable is not set. Please set it to your CUDA install root for pytorch cpp extensions pytorch