Could not find the pytorch 1.9.1 in conda's current channels

Question

I create a new conda virtual environment and try to install the pytorch 1.9.1 by using conda install pytorch=1.9.1. But, conda reports the PackageNotFoundError as follows. PackagesNotFoundError: The following packages are not available from current channels:

• pytorch==1.9.1

Current channels:

• https://conda.anaconda.org/python/win-64
• https://conda.anaconda.org/python/noarch
• https://repo.anaconda.com/pkgs/main/win-64
• https://repo.anaconda.com/pkgs/main/noarch
• https://repo.anaconda.com/pkgs/r/win-64
• https://repo.anaconda.com/pkgs/r/noarch
• https://repo.anaconda.com/pkgs/msys2/win-64
• https://repo.anaconda.com/pkgs/msys2/noarch Help！！！ Thanks

Answer 1

The right commands are listed on the pytorch web site. They should use the pytorch channel, e.g. with cuda:

conda install pytorch torchvision torchaudio cudatoolkit=11.1 -c pytorch -c nvidia