Project Home is on Github, downloads pages are on Sourceforge and Github, md5-sha , Discussion Group

Recent Releases

Release 2020-01 of March 26th, 2020 (this release may require from Windows 10 users a missing system DLL, see (*) )

Highlights (*): Spyder-4.1.1, Jupyterlab-2.0.1, VSCode-1.43.1, Numpy-1.18.2, Pandas-1.0.3, Matplotlib-3.2.1, Bokeh-2.0.0

Release 2019-04 of December 23rd, 2019

Highlights (*): Pandas-0.25.3, Scipy-1.4.1, scikit-learn-0.22.0, Numpy-1.17.4, Torch-1.3.0, Tensorflow_cpu-2.1.0rc1, VSCode-Python-2019.11.50794, Qt-5.14.0

Release 2019-03 of September 28th, 2019

Highlights (*): Pandas-0.25.1, Jupyterlab-1.1.4, Qt5-5.13.1, Scipy-1.3.1, scikit-learn-0.21.3, Altair-3.2.0, Torch-1.2.0, winrt-1.0.19128.1, a VSCode portable version

WinPython Small Logos


WinPython is a free open-source portable distribution of the Python programming language for Windows 8/10 and scientific and educational usage.

WinPython Launcher Icons

It is a full-featured (see our Wiki) Python-based scientific environment:

WinPython is something different from other Python Distributions (see historic motivation and concept):

WinPython Small Logos

Portable or not, the choice is yours!

WinPython is a portable application, so the user should not expect any integration into Windows explorer during installation. However, the WinPython Control Panel allows to "register" your distribution to Windows (see screenshot below).

WinPython Register

Registering your WinPython installation will:

That is exactly what the official Python installer would do to your machine: in other words, you can have it both ways!

(*) For recent WinPython, Windows 8..10 users may have to install missing system DLL Microsoft Visual C++ Redistributable for Visual Studio 2017..2019 (vc_redist_x86.exe for WinPython 32bit, vc_redist_x64.exe for Winpython 64bit)

(*) For best Winpython 2018-01 and later experience, it is recommended to have Winpython base directory path smaller than 37 characters. example: C:\Users\xxxxxxxx\Downloads\WinPython

(**) Since WinPython 2019-02, all installers are just 7zip auto-extracts.

WinPython Small Logos
WinPython Small Logos