I assume that you have installed Python earlier. If not, before reading this tutorial please refer to: How to install Python in Windows?

In order to install boto3 on Windows:

• Log in as administrator.
• Click on the Windows icon in the bottom left of your Desktop.
• Find Command prompt by entering cmd abbreviation.

• Verify that you have up-to-date Python installed by entering "python -V".

• Enter the command:

pip install boto3

After that, you can use boto3 library for listing and downloading CREODIAS products.

More manuals for Windows you can find here