How to Install Python 3 on Windows, macOS, and Linux: Step-by-Step Guide

In this tutorial, we’ll provide you with a comprehensive, step-by-step guide on how to install Python 3 on different operating systems, including Windows, macOS, and Linux. Let’s get started!

1. Installing Python 3 on Windows:
   • Step 1: Visit the official Python website (www.python.org) and navigate to the Downloads section.
   • Step 2: Click on the “Download Python” button to access the download page.
   • Step 3: On the download page, choose the latest Python 3.x version for Windows (where ‘x’ represents the latest version number).
   • Step 4: Scroll down to the Files section and select the installer appropriate for your Windows system (32-bit or 64-bit).
   • Step 5: Once the installer is downloaded, run the executable file.
   • Step 6: In the installer, select the “Add Python 3.x to PATH” checkbox and click on the “Install Now” button.
   • Step 7: Python 3 will now be installed on your Windows system. You can verify the installation by opening the command prompt and typing “python –version” to see the installed Python version.
2. Installing Python 3 on macOS:
   • Step 1: Visit the official Python website (www.python.org) and navigate to the Downloads section.
   • Step 2: Click on the “Download Python” button to access the download page.
   • Step 3: On the download page, choose the latest Python 3.x version for macOS.
   • Step 4: Scroll down to the Files section and download the macOS installer package.
   • Step 5: Once the installer is downloaded, double-click on the package file to launch the installer.
   • Step 6: Follow the on-screen instructions, select the destination location, and click on the “Install” button.
   • Step 7: Python 3 will now be installed on your macOS system. You can verify the installation by opening the terminal and typing “python3 –version” to see the installed Python version.
3. Installing Python 3 on Linux:
   • Step 1: Open a terminal on your Linux system.
   • Step 2: Check if Python is already installed by typing “python3 –version”. If Python is not installed, proceed to the next step.
   • Step 3: Install Python 3 using the package manager specific to your Linux distribution. For example:
     • Ubuntu/Debian: Run the command “sudo apt-get install python3”
     • Fedora: Run the command “sudo dnf install python3”
     • CentOS: Run the command “sudo yum install python3”
     • Arch Linux: Run the command “sudo pacman -S python3” Note: The package manager commands may vary depending on your Linux distribution.
   • Step 4: After the installation completes, verify the installation by typing “python3 –version” in the terminal.

In upcoming tutorials, we will delve deeper into Python programming, covering syntax, control statements, functions, and more. Happy coding!