Record my pytorch installation process and errors

Before installation

First, let's see what version should be installed , With the command line, you can see
open CMD, Input

nvidia-smi

1. install CUDA

Tutorials I use
【NVIDIA】Win10 + CUDA10 + cuDNN Installation tutorial
But I'm a little different from this ：
When unzipping, the folder is given by default , Because this folder will be deleted automatically after installation , So you can choose whichever
There are three things to install ：development、documentation、samples, I am here D Disk created a folder by itself CUDA10.2, Then I created three folders called ：Development、Documentation、Samples, Then put the contents into these three folders respectively .
What happened ：
Windows10 -64 install tensorflow Encountered ：cuda The installation file directory cannot be found after installation
After installation, configure the environment variables

2. install CUDNN

Follow the tutorial above to install
After loading, copy to D Discoid CUDA10.2 In the document of
No environment variables configured

3.Anaconda

I have installed it before , I don't remember how to pretend

4.pytorch install

pytorch Official website
After reading the tutorial, I don't know pytorch Where to input the command line given by the official website , Found a tutorial written in great detail
PyTorch Environment configuration and installation
Don't forget to put parentheses after entering the command at last ！

Ah, ah, ah, I succeeded ！！！！！！！！！！！！

Such a pile should be installed for machine learning in GPU It can be carried out on