How To Install Python 3.9 on Debian 10

Install Python 3.9 on Debian 10

In this tutorial, we will show you how to install Python 3.9 on Debian 10. For those of you who didn’t know, Python is the most popular programming language. Debian 10 default repositories come with Python 3.7. Recently, Python 3.9 is released, introducing many updates.

This article assumes you have at least basic knowledge of Linux, know how to use the shell, and most importantly, you host your site on your own VPS. The installation is quite simple and assumes you are running in the root account, if not you may need to add ‘sudo‘ to the commands to get root privileges. I will show you through the step by step installation of Python 3.9 on a Debian 10 (Buster).

Install Python 3.9 on Debian 10 Buster

Step 1. Before we install any software, it’s important to make sure your system is up to date by running the following apt commands in the terminal:

sudo apt update
sudo apt install software-properties-common

Step 2. Installing Python 3.9 on Debian 10.

Now we add the deadsnakes PPA to your system:

sudo add-apt-repository ppa:deadsnakes/ppa

Once the repository enabled you can install Python 3.9 using the following command:

sudo apt update
sudo apt install python3.9

Step 3. Check Python Version.

At this step, you have successfully installed Python 3.9 on Debian 10 Linux. You need to type python3.9 to use this version. For example, to check the Python version run the following command:

$ python3.9 --version
Python 3.9.0+

Congratulations! You have successfully installed Python 3. Thanks for using this tutorial for installing Python 3 on your Debian 10 system. For additional help or useful information, we recommend you check the official Python website.

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