setup.md

+## Windows
 * Make sure Python 2.7 is installed (add automatically to PATH so ``pip`` is found)
 * Install conan, in console:
   * ``pip install conan``
   * ``conan remote add rwth-vr--bintray https://api.bintray.com/conan/rwth-vr/conan``
   * ``conan remote add bincrafters_public https://api.bintray.com/conan/bincrafters/public-conan``
   * For more information check [conan Wiki-Page](Conan_Usage)
+* For test to give reasonable output, set the environment variable ``CTEST_OUTPUT_ON_FAILURE`` to ``1`` 
 * Install/Update CMake to a recent version. At least ``3.10`` is required.
 * Install [Visual Studio 2017 Community](https://www.visualstudio.com/downloads)
   * To setup Clangformat (recomnmended) see [Clang Wiki-Page](clang-format_on-save_VS2017)