The pre-program activities will use the software application Anaconda. You are asked to install the software beforehand. The software is free and you can obtain it from:
https://www.anaconda.com/products/individual
Go to be above webpage and scroll down until you see "Anaconda Installers" (see the screen capture below), then choose the "64-bit Graphical Installer" for your computer. Download the installer and install the software.