how 2 configure opencv with VS2015 with qt

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I follow the instructions on the website http://docs.opencv.org/2.4/doc/tutori... to configure opencv with VS2015.However,I can not open VS command prompt windows.Actually,there is developer command prompt for VS2015 and MSBuild command prompt for VS2015.Which should I choose to build Qt? Another problem,after extracting the qt source file,I can not run the command:configure.exe -release -no-webkit -no-phonon -no-phonon-backend -no-script -no-scripttools -no-qt3support -no-multimedia -no-ltcg error:cofigure.exe is not recognised as ...