NumPy is an open-source library for the Python programming language. We show you how to install NumPy using PIP on Windows 11/10 PC.

run pip install opencv-python if you need only main modules run pip install opencv-contrib-python if you need both main and contrib modules (check extra modules listing from OpenCV documentation) b.

Keep numpy 2.2.6 so that you don't have conflicts with opencv-python-headless, but then re-compile kaolin from source.