OpenCV2 in Python for Windows

1.   Below Python packages are to be downloaded and installed to their default locations.
  Python-2.7.x.
  Numpy.
  Matplotlib (Optional).
2.    Install all packages into their default locations. Python will be installed to C:/Python27/.
3.    After installation, open Python IDLE. Enter import numpy and make sure Numpy is working fine.
4.    Download latest OpenCV release from sourceforge site and double-click to extract it.
5.    Goto opencv/build/python/2.7
       Copy cv2.pyd to C:/Python27/lib/site-packages.
6.  Test
>>> import cv2
>>> print cv2.__version__