【1】conda create -n name python=3.8
【2】Install torch 
Pay attention to the highest adaptable cuda version first
https://data.pyg.org/whl/ version correspondence
[3] Install torch-geometric in order:
torch-sparse、torch-scatter、torch-cluster、 torch-spline-conv \torch-geometric
pip install torch-xxxx -f address
Version at: https://pytorch-geometric.com/whl/
Notice:
When installing torch-geometric:
If you directly pip install geometric: an error will be reported in the import
Find from the official website: