How to install package without using Anaconda to knime python enviroment?

Helllo Knime team members:

Since Anaconda has become a paid tool and can no longer be used, I uninstalled it. However, I found that packages previously installed via Anaconda are still usable in Knime’s Python Script nodes. Does this mean Anaconda downloaded the packages into Knime’s Python environment? Now, how should I install new packages so that they can be loaded in Python Script nodes?