How to install OpenCV  for  python 2.7.5 (works  for windows  10  64 bit)

step 1:    download  python  2.7.5 from the below link.   

                                   click on python-2.7x

step 2:   download numpy 1.9 version, from the below link 

                                 click here to download numpy 1.9 version

step 3:   download  OpenCV 2.4.13  from the below link

                                click here to download OpenCV 2.4.13

step 4:  install python and after it you will get a folder "python27" in the C: drive's  root.

step 5:  install numpy into the C:\Python27  (by just clicking next next next )

step 6:   click windows key and open IDLE(python).

              type          import  numpy            (proceed if no error)

step 7:    install  OpenCV   (it'll take a lot of time)  after it you will get a folder "opencv" in the
                          C:   drive's  root.

step 8:    Go to        C:\opencv\build\python\2.7\x86          and  copy   " cv2.pyd "     to   

                          C:\Python27\Lib\site-packages

step 9:   click windows key and open IDLE(python).

              type          import  cv2          ( if no error,  YOU ARE DONE!!)