Can t download previous old version

you should go pytorch.org and find something there.

https://pytorch.org/get-started/previous-versions/

you get

pip install torch==1.7.1+cu92 torchvision==0.8.2+cu92 torchaudio==0.7.2 -f https://download.pytorch.org/whl/torch_stable.html

Both pip and conda version are available.