Project Home is on Github, downloads page are on Sourceforge, Discussion group is on Google Groups, md5 and sha1 there

Recent Releases

Release 2015-06 of August 9th, 2015

Highlights: mingwpy, Qt5.5, clother integration with pip, pyaudio, xray, bokeh

Release 2015-05 of June 28th, 2015

Highlights: Ipython 3.2, Spyder 2.3.5, pandas 0.16.2, Keras, Dask, Odo

Release 2015-04 of May 12th, 2015

Highlights: Ipython 3.1, pandas 0.16.1, scikit-learn 0.16.1, jedi, pyqtgraph, Flask, Theano, better integration with pip

WinPython Small Logos

Overview

WinPython is a free open-source portable distribution of the Python programming language for Windows Vista/7/8 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!
WinPython Small Logos
WinPython Small Logos