which are common libraryes and where find them?

hi i want know where find the libraries for develop a application and download it why visual C++ have not the GL/ include directory and some samples applications use glew.h and glew32.lib and i dont have in my windows 7. where to find them?

http://www.videotutorialsrock.com/opengl_tutorial/get_opengl_setup_windows/text.php

You are probably missing the “Microsoft Platform SDK”.