diff --git a/code/CMakeLists.txt b/code/CMakeLists.txt
index 071554e06..85a2ad670 100644
--- a/code/CMakeLists.txt
+++ b/code/CMakeLists.txt
@@ -142,6 +142,11 @@ IF(WITH_QT)
   FIND_PACKAGE(Qt4 COMPONENTS QtCore QtGui QtXml QtOpenGL REQUIRED)
 ENDIF(WITH_QT)
 
+IF(WITH_QT5)
+  CMAKE_MINIMUM_REQUIRED(VERSION 2.8.11 FATAL_ERROR)
+  FIND_PACKAGE(Qt5Widgets)
+ENDIF(WITH_QT5)
+
 IF(WITH_NEL)
   IF(WITH_NEL_TESTS)
     FIND_PACKAGE(CppTest)
diff --git a/code/CMakeModules/nel.cmake b/code/CMakeModules/nel.cmake
index 0474c7d7b..0c13f8cb9 100644
--- a/code/CMakeModules/nel.cmake
+++ b/code/CMakeModules/nel.cmake
@@ -265,7 +265,8 @@ MACRO(NL_SETUP_DEFAULT_OPTIONS)
   # GUI toolkits
   ###
   OPTION(WITH_GTK                 "With GTK Support"                              OFF)
-  OPTION(WITH_QT                  "With QT Support"                               OFF)
+  OPTION(WITH_QT                  "With QT4 Support"                              OFF)
+  OPTION(WITH_QT5                 "With QT5 Support"                              OFF)
 
   IF(WIN32 AND MFC_FOUND)
     OPTION(WITH_MFC               "With MFC Support"                              ON )
diff --git a/code/nel/samples/3d/CMakeLists.txt b/code/nel/samples/3d/CMakeLists.txt
index 6cd2e49ef..458adc804 100644
--- a/code/nel/samples/3d/CMakeLists.txt
+++ b/code/nel/samples/3d/CMakeLists.txt
@@ -6,6 +6,6 @@ IF(WITH_NEL_CEGUI)
   ADD_SUBDIRECTORY(cegui)
 ENDIF(WITH_NEL_CEGUI)
 
-#IF(WITH_QT)
-#  ADD_SUBDIRECTORY(qtnel)
-#ENDIF(WITH_QT)
+IF(WITH_QT5)
+  ADD_SUBDIRECTORY(nel_qt)
+ENDIF(WITH_QT5)
diff --git a/code/nel/samples/3d/nel_qt/CMakeLists.txt b/code/nel/samples/3d/nel_qt/CMakeLists.txt
new file mode 100644
index 000000000..1d2b4f056
--- /dev/null
+++ b/code/nel/samples/3d/nel_qt/CMakeLists.txt
@@ -0,0 +1,27 @@
+
+FILE(GLOB SRCS *.cpp)
+FILE(GLOB HDRS *.h)
+FILE(GLOB RESOURCES *.qrc)
+
+SET(CMAKE_AUTOMOC ON)
+
+QT5_ADD_RESOURCES(RESOURCE_ADDED ${RESOURCES})
+
+ADD_EXECUTABLE(nl_sample_qt WIN32 ${SRC}
+	${SRCS}
+	${HDRS}
+	${RESOURCE_ADDED}
+	)
+
+TARGET_LINK_LIBRARIES(nl_sample_qt
+	nelmisc
+	nel3d
+	nelsound
+	Qt5::Widgets)
+
+NL_DEFAULT_PROPS(nl_sample_qt "NeL, Samples, 3D: Qt")
+NL_ADD_RUNTIME_FLAGS(nl_sample_qt)
+
+qt5_use_modules(nl_sample_qt Widgets)
+
+INSTALL(TARGETS nl_sample_qt RUNTIME DESTINATION ${NL_BIN_PREFIX} COMPONENT samples3d)
diff --git a/code/nel/samples/3d/nel_qt/command_log.cpp b/code/nel/samples/3d/nel_qt/command_log.cpp
index a1c846efd..556dbcf68 100644
--- a/code/nel/samples/3d/nel_qt/command_log.cpp
+++ b/code/nel/samples/3d/nel_qt/command_log.cpp
@@ -20,7 +20,7 @@
 // STL includes
 
 // Qt includes
-#include <QtGui/QVBoxLayout>
+#include <QVBoxLayout>
 
 // NeL includes
 #include <nel/misc/debug.h>
@@ -173,7 +173,7 @@ void CCommandLog::returnPressed()
 	if (text.isEmpty())
 		return;
 
-	std::string cmd = text.toAscii().data();
+	std::string cmd = text.toLocal8Bit().data();
 	ICommand::execute(cmd, InfoLog());
 
 	m_CommandInput->clear();
diff --git a/code/nel/samples/3d/nel_qt/command_log.h b/code/nel/samples/3d/nel_qt/command_log.h
index d8053eb39..c7e38667c 100644
--- a/code/nel/samples/3d/nel_qt/command_log.h
+++ b/code/nel/samples/3d/nel_qt/command_log.h
@@ -21,9 +21,9 @@
 // STL includes
 
 // Qt includes
-#include <QtGui/QWidget>
-#include <QtGui/QTextEdit>
-#include <QtGui/QLineEdit>
+#include <QWidget>
+#include <QTextEdit>
+#include <QLineEdit>
 
 // NeL includes
 #include <nel/misc/log.h>
diff --git a/code/nel/samples/3d/nel_qt/graphics_config.cpp b/code/nel/samples/3d/nel_qt/graphics_config.cpp
index 74e8ad2b4..9100e5728 100644
--- a/code/nel/samples/3d/nel_qt/graphics_config.cpp
+++ b/code/nel/samples/3d/nel_qt/graphics_config.cpp
@@ -20,9 +20,9 @@
 // STL includes
 
 // Qt includes
-#include <QtGui/QVBoxLayout>
-#include <QtGui/QHBoxLayout>
-#include <QtGui/QUndoStack>
+#include <QVBoxLayout>
+#include <QHBoxLayout>
+#include <QUndoStack>
 
 // NeL includes
 // #include <nel/misc/debug.h>
diff --git a/code/nel/samples/3d/nel_qt/graphics_config.h b/code/nel/samples/3d/nel_qt/graphics_config.h
index 9044ef8a8..3faabc800 100644
--- a/code/nel/samples/3d/nel_qt/graphics_config.h
+++ b/code/nel/samples/3d/nel_qt/graphics_config.h
@@ -21,13 +21,13 @@
 // STL includes
 
 // Qt includes
-#include <QtGui/QWidget>
-#include <QtGui/QCheckBox>
-#include <QtGui/QPushButton>
-#include <QtGui/QGroupBox>
-#include <QtGui/QComboBox>
-#include <QtGui/QLabel>
-#include <QtGui/QLineEdit>
+#include <QWidget>
+#include <QCheckBox>
+#include <QPushButton>
+#include <QGroupBox>
+#include <QComboBox>
+#include <QLabel>
+#include <QLineEdit>
 
 // NeL includes
 #include <nel/misc/config_file.h>
@@ -60,8 +60,8 @@ public:
 	void incbTranslate();
 
 	inline bool getGraphicsEnabled() const { return m_Enabled->isChecked(); }
-	inline std::string getGraphicsDriver() const { std::string v = std::string(m_Driver->currentText().toAscii()); return v; }
-	inline std::string getFontName() const { std::string v = std::string(m_FontName->text().toAscii()); return v; }
+	inline std::string getGraphicsDriver() const { std::string v = std::string(m_Driver->currentText().toLocal8Bit()); return v; }
+	inline std::string getFontName() const { std::string v = std::string(m_FontName->text().toLocal8Bit()); return v; }
 	
 	inline NLMISC::CRGBA getBackgroundColor() const { QColor c = m_BackgroundColor->currentColor(); NLMISC::CRGBA v(c.red(), c.green(), c.blue()); return v; }
 	inline bool getFontShadow() const { return m_FontShadow->isChecked(); }
diff --git a/code/nel/samples/3d/nel_qt/graphics_viewport.cpp b/code/nel/samples/3d/nel_qt/graphics_viewport.cpp
index 611e0d440..2c94a36bd 100644
--- a/code/nel/samples/3d/nel_qt/graphics_viewport.cpp
+++ b/code/nel/samples/3d/nel_qt/graphics_viewport.cpp
@@ -20,7 +20,7 @@
 // STL includes
 
 // Qt includes
-#include <QtGui/QAction>
+#include <QAction>
 
 // NeL includes
 #include <nel/misc/debug.h>
@@ -92,7 +92,7 @@ void CGraphicsViewport::init(CGraphicsConfig *graphicsConfig)
 	nlassert(m_Driver);
 
 	// initialize the window with config file values
-	m_Driver->setDisplay(winId(), NL3D::UDriver::CMode(width(), height(), 32));
+	m_Driver->setDisplay((nlWindow)winId(), NL3D::UDriver::CMode(width(), height(), 32));
 
 	// register config callbacks
 	connect(m_GraphicsConfig, SIGNAL(onBackgroundColor(NLMISC::CRGBA)), 
diff --git a/code/nel/samples/3d/nel_qt/graphics_viewport.h b/code/nel/samples/3d/nel_qt/graphics_viewport.h
index 0b9dde03a..ac9fadbc3 100644
--- a/code/nel/samples/3d/nel_qt/graphics_viewport.h
+++ b/code/nel/samples/3d/nel_qt/graphics_viewport.h
@@ -21,7 +21,7 @@
 // STL includes
 
 // Qt includes
-#include <QtGui/QWidget>
+#include <QWidget>
 
 // NeL includes
 #include <nel/misc/config_file.h>
diff --git a/code/nel/samples/3d/nel_qt/main_window.cpp b/code/nel/samples/3d/nel_qt/main_window.cpp
index bf83e625c..a566723ef 100644
--- a/code/nel/samples/3d/nel_qt/main_window.cpp
+++ b/code/nel/samples/3d/nel_qt/main_window.cpp
@@ -20,11 +20,20 @@
 // STL includes
 
 // Qt includes
-#include <QtGui/QtGui>
-#include <QtGui/QTreeView>
-#include <QtGui/QDirModel>
-#include <QtGui/QUndoStack>
-#include <QtGui/QScrollArea>
+#include <QtGui>
+#include <QTreeView>
+#include <QDirModel>
+#include <QUndoStack>
+#include <QScrollArea>
+#include <QApplication>
+#include <QAction>
+#include <QMenuBar>
+#include <QMenu>
+#include <QDockWidget>
+#include <QToolBar>
+#include <QStatusBar>
+#include <QStyleFactory>
+#include <QMessageBox>
 
 // NeL includes
 // #include <nel/misc/debug.h>
@@ -69,10 +78,6 @@ CMainWindow::CMainWindow(const QMap<QString, QSize> &customSizeHints, QWidget *p
 
 	m_Configuration.init();
 	
-	m_OriginalPalette = QApplication::palette();
-	m_Configuration.setAndCallback("QtStyle", CConfigCallback(this, &CMainWindow::cfcbQtStyle));
-	m_Configuration.setAndCallback("QtPalette", CConfigCallback(this, &CMainWindow::cfcbQtPalette));
-	
 	m_Internationalization.init(&m_Configuration);
 	m_Internationalization.enableCallback(CEmptyCallback(this, &CMainWindow::incbLanguageCode));
 
@@ -361,18 +366,6 @@ void CMainWindow::recalculateMinimumWidth()
 		m_GraphicsConfigScroll->setMinimumWidth(m_GraphicsConfig->minimumSizeHint().width() + m_GraphicsConfigScroll->minimumSizeHint().width());
 }
 
-void CMainWindow::cfcbQtStyle(NLMISC::CConfigFile::CVar &var)
-{
-	QApplication::setStyle(QStyleFactory::create(var.asString().c_str()));
-	recalculateMinimumWidth();
-}
-
-void CMainWindow::cfcbQtPalette(NLMISC::CConfigFile::CVar &var)
-{
-	if (var.asBool()) QApplication::setPalette(QApplication::style()->standardPalette());
-	else QApplication::setPalette(m_OriginalPalette);
-}
-
 void CMainWindow::applyGraphicsConfig()
 {
 	// reinitializes the graphics system completely
diff --git a/code/nel/samples/3d/nel_qt/main_window.h b/code/nel/samples/3d/nel_qt/main_window.h
index dedbf18c7..7fbafa6a6 100644
--- a/code/nel/samples/3d/nel_qt/main_window.h
+++ b/code/nel/samples/3d/nel_qt/main_window.h
@@ -21,7 +21,7 @@
 // STL includes
 
 // Qt includes
-#include <QtGui/QMainWindow>
+#include <QMainWindow>
 
 // NeL includes
 #include <nel/misc/rgba.h>
@@ -105,9 +105,6 @@ private:
 
 	void recalculateMinimumWidth();
 
-	void cfcbQtStyle(NLMISC::CConfigFile::CVar &var);
-	void cfcbQtPalette(NLMISC::CConfigFile::CVar &var);
-
 	void cfcbSoundEnabled(NLMISC::CConfigFile::CVar &var);
 
 	void incbLanguageCode();
@@ -123,8 +120,6 @@ private:
 
 	QUndoStack *m_UndoStack;
 
-	QPalette m_OriginalPalette;
-
 	bool m_IsGraphicsInitialized, m_IsGraphicsEnabled;
 	bool m_IsSoundInitialized, m_IsSoundEnabled;
 
diff --git a/code/nel/samples/3d/nel_qt/nel_qt.cpp b/code/nel/samples/3d/nel_qt/nel_qt.cpp
index 178943aa8..cd06ee136 100644
--- a/code/nel/samples/3d/nel_qt/nel_qt.cpp
+++ b/code/nel/samples/3d/nel_qt/nel_qt.cpp
@@ -26,9 +26,10 @@
 #endif
 
 // Qt includes
-#include <QtGui/QApplication>
+#include <QApplication>
 #include <QtCore/QMap>
 #include <QtCore/qdebug.h>
+#include <QStyleFactory>
 
 // NeL includes
 #include <nel/misc/debug.h>
@@ -36,6 +37,7 @@
 #include <nel/misc/file.h>
 #include <nel/misc/path.h>
 #include <nel/misc/command.h>
+#include <nel/misc/sheet_id.h>
 
 // Project includes
 #include "nel_qt_config.h"
@@ -178,15 +180,39 @@ sint main(int argc, char **argv)
 	hr = hr = CoInitializeEx(NULL, COINIT_MULTITHREADED);
 	bool coInitOk = (hr == S_OK) || (hr == S_FALSE);
 #endif
+
+	CSheetId::initWithoutSheet();
+
 	QApplication app(argc, const_cast<char **>(argv));
+
+    QApplication::setStyle(QStyleFactory::create("Fusion"));
+    QPalette palette = app.palette();
+    palette.setColor(QPalette::Window, QColor(64, 64, 64));
+    palette.setColor(QPalette::WindowText, Qt::white);
+    palette.setColor(QPalette::Base, QColor(48, 48, 48));
+    palette.setColor(QPalette::AlternateBase, QColor(64, 64, 64));
+    palette.setColor(QPalette::ToolTipBase, Qt::white);
+    palette.setColor(QPalette::ToolTipText, Qt::white);
+    palette.setColor(QPalette::Text, Qt::white);
+    palette.setColor(QPalette::Button, QColor(64, 64, 64));
+    palette.setColor(QPalette::ButtonText, Qt::white);
+    palette.setColor(QPalette::BrightText, Qt::red);
+    palette.setColor(QPalette::Highlight, QColor(64, 128, 96));
+    palette.setColor(QPalette::HighlightedText, Qt::white);
+    app.setPalette(palette);
+
 	QMap<QString, QSize> customSizeHints = parseCustomSizeHints(argc, argv);
+
 	NLQT::CMainWindow mainWin(customSizeHints);
 	mainWin.resize(800, 600);
 	mainWin.show(); // calls isVisible(true)
+
 	int result = app.exec();
+
 #ifdef NL_OS_WINDOWS
 	if (coInitOk) CoUninitialize();
 #endif
+
 	return result;
 }
 
diff --git a/code/nel/samples/3d/nel_qt/qtcolorpicker.h b/code/nel/samples/3d/nel_qt/qtcolorpicker.h
index 9363cd0cc..446abbdcb 100644
--- a/code/nel/samples/3d/nel_qt/qtcolorpicker.h
+++ b/code/nel/samples/3d/nel_qt/qtcolorpicker.h
@@ -46,13 +46,13 @@
 
 #ifndef QTCOLORPICKER_H
 #define QTCOLORPICKER_H
-#include <QtGui/QPushButton>
+#include <QPushButton>
 #include <QtCore/QString>
-#include <QtGui/QColor>
+#include <QColor>
 
-#include <QtGui/QLabel>
+#include <QLabel>
 #include <QtCore/QEvent>
-#include <QtGui/QFocusEvent>
+#include <QFocusEvent>
 
 #define QT_QTCOLORPICKER_EXPORT
 
diff --git a/code/nel/samples/3d/nel_qt/qtcolorpicker_cpp.h b/code/nel/samples/3d/nel_qt/qtcolorpicker_cpp.h
index 0701a803f..e22d290e4 100644
--- a/code/nel/samples/3d/nel_qt/qtcolorpicker_cpp.h
+++ b/code/nel/samples/3d/nel_qt/qtcolorpicker_cpp.h
@@ -44,24 +44,24 @@
 ** 
 ****************************************************************************/
 
-#include <QtGui/QApplication>
-#include <QtGui/QDesktopWidget>
-#include <QtGui/QPainter>
-#include <QtGui/QPushButton>
-#include <QtGui/QColorDialog>
+#include <QApplication>
+#include <QDesktopWidget>
+#include <QPainter>
+#include <QPushButton>
+#include <QColorDialog>
 #include <QtCore/QMap>
-#include <QtGui/QLayout>
-#include <QtGui/QStyle>
-#include <QtGui/QLabel>
-#include <QtGui/QToolTip>
-#include <QtGui/QPixmap>
-#include <QtGui/QFocusEvent>
-#include <QtGui/QPaintEvent>
-#include <QtGui/QGridLayout>
-#include <QtGui/QHideEvent>
-#include <QtGui/QKeyEvent>
-#include <QtGui/QShowEvent>
-#include <QtGui/QMouseEvent>
+#include <QLayout>
+#include <QStyle>
+#include <QLabel>
+#include <QToolTip>
+#include <QPixmap>
+#include <QFocusEvent>
+#include <QPaintEvent>
+#include <QGridLayout>
+#include <QHideEvent>
+#include <QKeyEvent>
+#include <QShowEvent>
+#include <QMouseEvent>
 #include <math.h>
 
 #include "qtcolorpicker.h"
diff --git a/code/nel/samples/3d/nel_qt/undo_redo_binders.cpp b/code/nel/samples/3d/nel_qt/undo_redo_binders.cpp
index 52bd2c02a..2b955825d 100644
--- a/code/nel/samples/3d/nel_qt/undo_redo_binders.cpp
+++ b/code/nel/samples/3d/nel_qt/undo_redo_binders.cpp
@@ -20,10 +20,10 @@
 // STL includes
 
 // Qt includes
-#include <QtGui/QUndoStack>
-#include <QtGui/QAbstractButton>
-#include <QtGui/QLineEdit>
-#include <QtGui/QComboBox>
+#include <QUndoStack>
+#include <QAbstractButton>
+#include <QLineEdit>
+#include <QComboBox>
 
 // NeL includes
 #include <nel/misc/debug.h>
diff --git a/code/nel/samples/3d/nel_qt/undo_redo_binders.h b/code/nel/samples/3d/nel_qt/undo_redo_binders.h
index 2a3d4afa0..12fc29f67 100644
--- a/code/nel/samples/3d/nel_qt/undo_redo_binders.h
+++ b/code/nel/samples/3d/nel_qt/undo_redo_binders.h
@@ -23,8 +23,8 @@
 // Qt includes
 #include <QtCore/QObject>
 #include <QtCore/QString>
-#include <QtGui/QColor>
-#include <QtGui/QUndoCommand>
+#include <QColor>
+#include <QUndoCommand>
 
 // NeL includes