The easiest way to run Python, Spyder with SciPy and friends out of the box on any Windows PC, without installing anything!
What is WinPython?
WinPython is a free open-source portable distribution of the Python programming language for Windows 7/8/10 and scientific and educational usage.
Comments and Reviews
It is just the easiest and smoothest complete installation I know. And always up to date, giving the choice between stability and latest version.