You can find in url below : https://www.lfd.uci.edu/~gohlke/pythonlibs/ Unofficial Windows Binaries for Python Extension Packages by Christoph Gohlke, Laboratory for Fluorescence Dynamics, University of California, Irvine. Updated on 16 April 2020 at 22:50 UTC. This page provides 32- and 64-bit Windows binaries of many scientific open-source extension packages for the official CPython distribution of the Python programming language. A few binaries are available for the PyPy distribution. The files are unofficial (meaning: informal, unrecognized, personal, unsupported, no warranty, no liability, provided "as is") and made available for testing and evaluation purposes. Most binaries are built from source code found on PyPI or in the projects public revision control systems. Source code changes, if any, have been submitted to the project maintainers or are included in the packages. Refer to the documentation of the individual packages for license restrictions and dependen