Tutorial showing how to manually install the PyXLL Python add-in to Microsoft Excel.
Most users can use the "pyxll install" command to install PyXLL. See • Installing PyXLL, the Python Excel Ad... for those simpler installation instructions.
PyXLL is an Excel add-in that interates Python into Microsoft Excel enabling Excel functions (and more) to be written in Python.
See https://www.pyxll.com for complete details and documentation.