Installation of PyTorch with CUDA (RTX 2080 Ti, CUDA 11.1)

GOOD luck man, I just passed one week to try to fix cuda (rtx3090). Finally I followed this tuto: Installing Pytorch with CUDA support on Windows 10 | by Eugenia Anello | Towards AI

I used cuda 11.0
pytorch: 1.7.1
and it works good now!