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Table of Contents
How to install Python on Windows
How to install Python on macOS
Install Python on Linux system
Home Backend Development Python Tutorial How do I install Python on my operating system (Windows, macOS, Linux)?

How do I install Python on my operating system (Windows, macOS, Linux)?

Jun 24, 2025 am 12:42 AM
operating system python installation

The key to installing Python is to select the appropriate installation method according to the operating system and configure the environment correctly. On Windows, download the official .exe installer and check "Add to PATH" when running, and then enter python --version to verify the installation through cmd. If it is not successful, try using the py command; for macOS, you can execute brew install python through Homebrew or download the .pkg file from the official website to install. After installation, enter python3 --version to check the version in the terminal, and set alias python='python3' for use; Linux users can use corresponding commands according to the distribution, such as Debian/Ubuntu using sudo apt update and sudo apt install python3, Fedora/CentOS/RHEL using sudo dnf install python3, and use python3 --version Confirm the installation status, and note that you may need to install pip separately or use pyenv to manage multiple versions. Follow the steps and most problems can be avoided.

How do I install Python on my operating system (Windows, macOS, Linux)?

Installing Python is actually not difficult. The key is to choose the appropriate installation method based on the operating system you are using and ensure that the environment is configured correctly. The following will explain the specific operating steps and precautions according to different systems.


How to install Python on Windows

The easiest way to install Python on Windows is through the official installer.

  1. Download the installation package
    Go to the Python official website to download the latest stable version of the installer (usually a .exe file).

  2. Please check "Add to PATH" when running the installer
    This step is very critical, it determines whether you can use python commands directly from the command line.

  3. Verify that the installation is successful
    Open a command prompt (cmd) and enter:

     python --version

    If the Python version number is displayed, the installation is successful.

  4. Frequently Asked Questions

    • If the prompt is not an internal or external command, it may be that it is not added to PATH or is not checked during installation.
    • You can try to replace python with py , which is the launcher that comes with Windows.

How to install Python on macOS

macOS usually comes with Python 2.x, but it is recommended to install the latest version of Python 3.

  1. Recommended to use Homebrew to install
    If you have installed Homebrew , you can execute it in the terminal:

     brew install python
  2. You can also download the installation package from the official website
    Visit the Python official website, download the .pkg installation file of macOS and follow the prompts to install it.

  3. Check the installation results
    Open the terminal and enter:

     python3 --version

    Note: The default python command in macOS may still point to Python 2, so it is recommended to use python3 uniformly.

  4. Tips

    • You can set an alias to make python point to Python 3:
       alias python='python3'

      Add this line to your shell configuration file (such as .bash_profile or .zshrc ).


Install Python on Linux system

Linux users are generally more familiar with command line operations, and there are slight differences between different distributions.

  1. Debian/Ubuntu series installation method
    Install after updating the software source:

     sudo apt update
    sudo apt install python3
  2. Fedora/CentOS/RHEL series installation method
    Install using dnf or yum:

     sudo dnf install python3
  3. Confirm the installation status
    Enter the following command to view the version:

     python3 --version
  4. Some details

    • Most Linux distributions do not have pip by default and can be installed separately:
       sudo apt install python3-pip
    • If multiple Python versions are needed to coexist, you can use pyenv to manage it.

Basically that's it. The installation method of each system is relatively simple, but the error-prone places are often details, such as path settings, command usage, etc. As long as you follow the steps, there will be basically no problem.

The above is the detailed content of How do I install Python on my operating system (Windows, macOS, Linux)?. For more information, please follow other related articles on the PHP Chinese website!

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