How to prepare Sentinel-1 images stack for PSI/SBAS in SNAP

Would you please to clarify this point, in the following says don’t check it

Source : https://realpython.com/python-windows-machine-learning-setup/

However, in the following video, he prefers to check it,

So which one to follow?

Also to add the python to the SNAP during the SNAP installation, which one will be the path to python,