Install a lower version of Python

In some cases, you may need to install a lower version of Python. This may be because some software or code you want to run is only compatible with a specific version of Python, or you are working on a project with an older version. Whatever the case may be, here are some ways to help you install a lower version of Python.

  1. Determine the Python version you need
    First, determine the Python version you need to install. You can check the requirements for a specific software or project to determine the Python version you need. Once you know the version you need, you can proceed to the next step.

  2. Download the Python installer
    Visit the official Python website (https://www.python.org/downloads/releases/) and find the download page corresponding to the Python version you require. Browse the list of available versions, find the version you need, and click the download link.

  3. Installation
    After the Python download is complete, open the downloaded installer. In the installation wizard, you can select the Custom installation option, which allows you to choose the installation directory and other configuration options. Make a selection based on your needs and proceed with the installation.

  4. Configuring environment variables (optional)
    If you wish to directly access your installed Python version from the command line, you can configure your system's environment variables. In Windows operating system, you can follow these steps:

    • Right-click "This PC" (or "My Computer") and select "Properties".
    • In the left navigation bar, click Advanced system settings.
    • Under the "Advanced" tab of the pop-up window, click the "Environment Variables" button.
    • In the "System Variables" section, find the variable named "Path" and add the path to the Python installation directory to the variable value.

    On Mac and L

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Origin blog.csdn.net/CodeWG/article/details/133331100
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