download python 3.9

To download Python 3.9, go to the Python website: https://www.python.org/downloads/ and click on the “Downloads” link. Then, scroll down to the “Python 3.9” section and click on the “Download Python 3.9.13” link. This will download the installer for the latest Python 3.9 release.

Once the installer has downloaded, double-click on it to start the installation process. Follow the prompts on the screen to install Python 3.9 on your computer.

Note: Python 3.9 is no longer the latest feature release series of Python 3. Python 3.11 is now the latest feature release series of Python 3. However, Python 3.9 is still supported and will receive security fixes until October 2025.

Here are the steps to download Python 3.9 on Windows 10 or 11:

1. Go to the Python website: https://www.python.org/downloads/ and click on the “Downloads” link.
2. Scroll down to the “Python 3.9” section and click on the “Download Python 3.9.13” link.
3. Double-click on the downloaded installer to start the installation process.
4. Follow the prompts on the screen to install Python 3.9 on your computer.
5. Make sure to check the box next to “Add Python 3.9 to PATH” to add Python to your system path. This will make it easier to run Python scripts and commands from anywhere on your computer.

Here are the steps to download Python 3.9 on macOS:

1. Go to the Python website: https://www.python.org/downloads/ and click on the “Downloads” link.
2. Scroll down to the “Python 3.9” section and click on the “Download macOS 64-bit Installer” link.
3. Double-click on the downloaded installer to start the installation process.
4. Follow the prompts on the screen to install Python 3.9 on your computer.

Here are the steps to download Python 3.9 on Linux:

1. Go to the Python website: https://www.python.org/downloads/ and click on the “Downloads” link.
2. Scroll down to the “Python 3.9” section and click on the “Source code” link.
3. This will download a ZIP file containing the Python 3.9 source code.
4. Extract the ZIP file to a directory on your computer.
5. Open a terminal window and navigate to the directory where you extracted the source code.
6. Run the following command to build Python 3.9:

./configure --prefix=/usr/local

7. Once the build process has finished, run the following command to install Python 3.9:

sudo make install

This will install Python 3.9 to the /usr/local directory.

Once Python 3.9 is installed, you can verify that it is working by running the following command in a terminal window:

python3

If Python 3.9 is installed correctly, you should see a Python interpreter prompt.

You can now start writing and running Python 3.9 scripts!