diff --git a/CMakeOptions.txt b/CMakeOptions.txt
index c185d26..742e8ad 100644
--- a/CMakeOptions.txt
+++ b/CMakeOptions.txt
@@ -1,5 +1,7 @@
 option(MODULES_MEMORY_DEBUG "Debug memory" ON)
 
+set(WINDOWS_LIBRARIES "../../ModulesWindowsLibraries" CACHE STRING "Svn repository with windows libraries https://svn.riouxsvn.com/moduleswindowsl")
+
 if (MODULES_MEMORY_DEBUG)
     add_compile_definitions(MEM_DEBUG)
 endif ()
diff --git a/Containers/public/IntervalTree.hpp b/Containers/public/IntervalTree.hpp
index bfc55c0..261e402 100644
--- a/Containers/public/IntervalTree.hpp
+++ b/Containers/public/IntervalTree.hpp
@@ -46,7 +46,7 @@ namespace tp {
 
 	template <typename tType, typename tData>
 	class IntervalTree : public AvlTree<IntervalKey<tType>, tData> {
-		typedef AvlTree<IntervalKey<tType>, tData>::Node Node;
+		typedef typename AvlTree<IntervalKey<tType>, tData>::Node Node;
 
 	public:
 		IntervalTree() = default;
diff --git a/Externals/CMakeLists.txt b/Externals/CMakeLists.txt
index c82fc6e..ac1f6c7 100644
--- a/Externals/CMakeLists.txt
+++ b/Externals/CMakeLists.txt
@@ -1,13 +1,16 @@
 # find_package(ALSA REQUIRED)
 
 if(CMAKE_SYSTEM_NAME STREQUAL "Windows")
-  set(CMAKE_PREFIX_PATH "../../ModulesWindowsLibraries/glew-2.1.0")
+  message("Configuring for windows...")
+  message("Libraries path is - ${WINDOWS_LIBRARIES}")
+
+  set(CMAKE_PREFIX_PATH  "${WINDOWS_LIBRARIES}/glew-2.1.0")
   find_package(GLEW REQUIRED)
   set(GLEW_LIB ${GLEW_STATIC_LIBRARY_RELEASE} opengl32.lib PARENT_SCOPE)
 
     # Your relative paths
-    set(RELATIVE_INCLUDE_DIR "../../ModulesWindowsLibraries/portaudio/include")
-    set(RELATIVE_LIB "../../ModulesWindowsLibraries/portaudio_build/Debug/portaudio.lib")
+    set(RELATIVE_INCLUDE_DIR  "${WINDOWS_LIBRARIES}/portaudio/include")
+    set(RELATIVE_LIB  "${WINDOWS_LIBRARIES}/portaudio_build/Debug/portaudio.lib")
 
     # Convert to absolute paths
     get_filename_component(ABSOLUTE_INCLUDE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/${RELATIVE_INCLUDE_DIR}" ABSOLUTE)
diff --git a/README.MD b/README.MD
index 5beb67b..692d498 100644
--- a/README.MD
+++ b/README.MD
@@ -1 +1,5 @@
-Modules.
\ No newline at end of file
+Modules
+
+See TODO and STATUS
+
+To build and debug on windows clone svn repository (https://svn.riouxsvn.com/moduleswindowsl) alongside this repo and check WINDOWS_LIBRARIES option in cmake
\ No newline at end of file