Luckily for us updating packages on Raspbian is incredibly easy.

How to update and upgrade raspberry pi. It will start downloading all the packages now. Sudo apt-get update sudo apt-get upgrade. The first command sudo apt-get update will update all the package indexes.

Then upgrade everything with. Update and upgrade existing raspbian packages. Press q to exit the apt-listchanges text.

Update the package lists. I have been able to install the updated version of Python to 36 using the following instructions. Even if Raspberry Pi OS is always a few versions behind the latest Python version available you can still get updates with apt as for any other software on your device.

This will also update your Raspberry Pis installed packages and dependencies keeping things running smoothly and up to date. Sudo apt update sudo apt upgrade. Sudo apt full-upgrade Note.

Sudo apt full-upgrade Upon completion it advisable to reboot your Raspberry Pi. To actually install the updates your Raspberry Pi enter the following command which will show how much data will be downloaded and how much space it will take up on your disk. The easiest way to manage installing upgrading and removing software is using APT Advanced Packaging Tool from Debian.

This method is recommended when youre running Raspberry Pi OS the official operating system for the Pi but it will also work on other versions of Linux you might be running Ubuntu etc. If you really need it upgraded before they put it up there heres the steps to compile it from source. This generally solves the scope of this question in terms of how I update Python but I am still confused as to why Spyder IDE uses a more up-to-date version of Python whereas the terminal shows otherwise.