Install conda

1. Enter conda official website: https://www.anaconda.com/
   
2. Click to download
3. Double-click to open the file after the download is complete, the result is as shown:
   
4. Continue to click OK, this section is checked to add environment variables.(There is no problem with checking this option at present, but I added it to the environment variable after the province)
   
5. Installation complete
6. Check if the installation is successful: search for cmd in the lower left corner of windows
   
   Open, enter conda, the following results appear indicating that the installation is successful.
   

Create environment

1. Create an environment named tutorial and specify the python version as 3.6

   conda create -n tutorial python=3.6

   Created successfully:

Activate Environment

1. Activate environment tutorial

   conda activate tutorial

   Successful activation:
   

Install jupyter notebook

1. Install

   conda install jupyter

2. Enter jupyter notebook

   jupyter notebook

   

Install pytorch

1. Enter pytorch official website: https://pytorch.org/
2. Select the desired version and copy the download command
   
3. In cmd, enter the command you just copied in the environment where pytorch needs to be installed.I am here to install the cpu version as an example:

   conda install pytorch torchvision torchaudio cpuonly -c pytorch

4. Check if the installation is successful:

   import torchtorch.__version__

   The result is as shown:
   

Replace mirror source (if needed)

1. Create a condarc file:

   conda config --add channels r

2. The file location should be /home/user/.condarc
3. Find the file, open it, the content of the file should be:
   
4. Replace the contents of the file with the following:

   channels:- defaultsshow_channel_urls: truechannel_alias: https://mirrors.tuna.tsinghua.edu.cn/anacondadefault_channels:- https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/main- https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/free- https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/r- https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/pro- https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/msys2custom_channels:conda-forge: https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloudmsys2: https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloudbioconda: https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloudmenpo: https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloudpytorch: https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloudsimpleitk: https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud