install opencv with visusal 2012

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I'm following this manusl http://docs.opencv.org/doc/tutorials/introduction/windows_install/windows_install.html, when my compilation is finished i din't find the folder v10 inside the x64 folder Set the OpenCV enviroment variable and add it to the systems path setx -m OPENCV_DIR D:\OpenCV\Build\x64\vc10 . thanks