diff --git a/EVENTS/MPM/MPM.cpp b/EVENTS/MPM/MPM.cpp
index 12b5d03..42f8acc 100644
--- a/EVENTS/MPM/MPM.cpp
+++ b/EVENTS/MPM/MPM.cpp
@@ -129,6 +129,8 @@ UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
 // #include <SC_ToolDialog.h>
 // #include <SC_RemoteAppTool.h>
 
+// #include <QtSystemDetection>
+
 MPM::MPM(RandomVariablesContainer *theRandomVariableIW, QWidget *parent)
     :  SimCenterAppWidget(parent), theRandomVariablesContainer(theRandomVariableIW)
 {
@@ -411,11 +413,11 @@ MPM::MPM(RandomVariablesContainer *theRandomVariableIW, QWidget *parent)
     // theTabWidget->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Maximum);
 
 
-#ifdef _WIN32
+#if defined(Q_OS_WIN) || defined(Q_OS_WIN32) || defined(Q_OS_LINUX) ||  defined(Q_OS_UNIX)
     // -----------------------------------------------------------------------------------
     // Create a 3D window and container widget and set the 3D window as its layout
     // Based on code by Alex44, 2018; https://stackoverflow.com/questions/23231012/how-to-render-in-qt3d-in-standard-gui-application)
-#ifdef _WIN32
+
     auto rootEntity = new Qt3DCore::QEntity();
     auto view = new Qt3DExtras::Qt3DWindow();
     QWidget *container = QWidget::createWindowContainer(view);
@@ -1167,17 +1169,27 @@ MPM::MPM(RandomVariablesContainer *theRandomVariableIW, QWidget *parent)
     horizontalPanelLayout->addWidget(scrollArea);
 
     // horizontalPanelLayout->addWidget(visualizationGroup);
-#ifdef _WIN32
+// #ifdef _WIN32
+#if defined(Q_OS_WIN) || defined(Q_OS_WIN32) || defined(Q_OS_LINUX) ||  defined(Q_OS_UNIX)
     horizontalPanelLayout->addWidget(container);
+#endif
+    // QVBoxLayout *layout = new QVBoxLayout();
+    // mainWindowLayout->addWidget(scrollArea);
+    // mainWindowLayout->addWidget(updateBodiesButton);
+    // mainWindowLayout->addWidget(container);
+    mainWindowLayout->addWidget(horizontalPanels);
+    this->setLayout(mainWindowLayout);
 
     connect(stackedWidget, &SlidingStackedWidget::animationFinished, [=](void){
       int index = stackedWidget->currentIndex();
       mpmBodies->setDigitalTwin(index);
       mpmBoundaries->setDigitalTwin(index);
+// #ifdef _WIN32
+#if defined(Q_OS_WIN) || defined(Q_OS_WIN32) || defined(Q_OS_LINUX) ||  defined(Q_OS_UNIX)
       updateDigitalTwin(index);
+#endif
     });
     
-#endif
 
     // QVBoxLayout *layout = new QVBoxLayout();
     // mainWindowLayout->addWidget(scrollArea);
diff --git a/Hydro-UQ.pro b/Hydro-UQ.pro
index b4a79cb..919d3ec 100644
--- a/Hydro-UQ.pro
+++ b/Hydro-UQ.pro
@@ -42,33 +42,33 @@ win32 {
     # Windows
     LIBS +=  -lAdvapi32
     RC_ICONS = icons/NHERI-HydroUQ-Icon.ico
-    DEPENDPATH += $$PWD/../VTK/bin
-    INCLUDEPATH += $$PWD/../VTK/include/vtk-9.2
-    LIBS += -L$$PWD/../VTK/lib \
-    -lvtkViewsCore-9.2 \
-    -lvtkFiltersCore-9.2 \
-    -lvtkFiltersSources-9.2 \
-    -lvtkCommonCore-9.2 \
-    -lvtkCommonColor-9.2 \
-    -lvtkFiltersGeometry-9.2 \
-    -lvtkRenderingCore-9.2 \
-    -lvtkInteractionStyle-9.2\
-    -lvtkCommonTransforms-9.2\
-    -lvtkInteractionWidgets-9.2\
-    -lvtkRenderingContextOpenGL2-9.2 \
-    -lvtkRenderingFreeType-9.2 \
-    -lvtkRenderingGL2PSOpenGL2-9.2 \
-    -lvtkRenderingAnnotation-9.2 \
-    -lvtkCommonExecutionModel-9.2 \
-    -lvtkCommonDataModel-9.2 \
-    -lvtkGUISupportQt-9.2 \
-    -lvtkRenderingOpenGL2-9.2 \
-    -lvtkIOGeometry-9.2 \
-    -lvtkViewsQt-9.2 \
-    -lvtkImagingCore-9.2 \
-    -lvtkIOImage-9.2 \
-    -lvtkIOLegacy-9.2 \
-    -lvtksys-9.2
+    # DEPENDPATH += $$PWD/../VTK/bin
+    # INCLUDEPATH += $$PWD/../VTK/include/vtk-9.2
+    # LIBS += -L$$PWD/../VTK/lib \
+    # -lvtkViewsCore-9.2 \
+    # -lvtkFiltersCore-9.2 \
+    # -lvtkFiltersSources-9.2 \
+    # -lvtkCommonCore-9.2 \
+    # -lvtkCommonColor-9.2 \
+    # -lvtkFiltersGeometry-9.2 \
+    # -lvtkRenderingCore-9.2 \
+    # -lvtkInteractionStyle-9.2\
+    # -lvtkCommonTransforms-9.2\
+    # -lvtkInteractionWidgets-9.2\
+    # -lvtkRenderingContextOpenGL2-9.2 \
+    # -lvtkRenderingFreeType-9.2 \
+    # -lvtkRenderingGL2PSOpenGL2-9.2 \
+    # -lvtkRenderingAnnotation-9.2 \
+    # -lvtkCommonExecutionModel-9.2 \
+    # -lvtkCommonDataModel-9.2 \
+    # -lvtkGUISupportQt-9.2 \
+    # -lvtkRenderingOpenGL2-9.2 \
+    # -lvtkIOGeometry-9.2 \
+    # -lvtkViewsQt-9.2 \
+    # -lvtkImagingCore-9.2 \
+    # -lvtkIOImage-9.2 \
+    # -lvtkIOLegacy-9.2 \
+    # -lvtksys-9.2
 
 } else {
 
@@ -76,41 +76,41 @@ win32 {
         # Mac
         ICON = icons/NHERI-HydroUQ-Icon.icns
         QMAKE_INFO_PLIST=$$PWD/Info.plist    
+        LIBS += -L/usr/local/lib
     #    DEPENDPATH += $$PWD/../VTK/lib
     #    DEPENDPATH += $$PWD/../VTK/Release/bin
     #    INCLUDEPATH += $$PWD/../VTK/Release/include/vtk-9.2
-        INCLUDEPATH += $$PWD/../VTK/include/vtk-9.2
-        INCLUDEPATH += /usr/local/include/vtk-9.2
-        LIBS += -L$$PWD/../VTK/lib 
-        LIBS += -L/usr/local/lib \
-        -lvtkViewsCore-9.2 \
-        -lvtkFiltersCore-9.2 \
-        -lvtkFiltersSources-9.2 \
-        -lvtkCommonCore-9.2 \
-        -lvtkCommonColor-9.2 \
-        -lvtkFiltersGeometry-9.2 \
-        -lvtkRenderingCore-9.2 \
-        -lvtkInteractionStyle-9.2\
-        -lvtkCommonTransforms-9.2\
-        -lvtkInteractionWidgets-9.2\
-        -lvtkRenderingContextOpenGL2-9.2 \
-        -lvtkRenderingFreeType-9.2 \
-        -lvtkRenderingGL2PSOpenGL2-9.2 \
-        -lvtkRenderingAnnotation-9.2 \
-        -lvtkCommonExecutionModel-9.2 \
-        -lvtkCommonDataModel-9.2 \
-        -lvtkGUISupportQt-9.2 \
-        -lvtkRenderingOpenGL2-9.2 \
-        -lvtkIOGeometry-9.2 \
-        -lvtkViewsQt-9.2 \
-        -lvtkImagingCore-9.2 \
-        -lvtkIOImage-9.2 \
-        -lvtkIOLegacy-9.2 \
-        -lvtksys-9.2
+        # INCLUDEPATH += $$PWD/../VTK/include/vtk-9.2
+        # INCLUDEPATH += /usr/local/include/vtk-9.2
+        # LIBS += -L$$PWD/../VTK/lib  \
+        # -lvtkViewsCore-9.2 \
+        # -lvtkFiltersCore-9.2 \
+        # -lvtkFiltersSources-9.2 \
+        # -lvtkCommonCore-9.2 \
+        # -lvtkCommonColor-9.2 \
+        # -lvtkFiltersGeometry-9.2 \
+        # -lvtkRenderingCore-9.2 \
+        # -lvtkInteractionStyle-9.2\
+        # -lvtkCommonTransforms-9.2\
+        # -lvtkInteractionWidgets-9.2\
+        # -lvtkRenderingContextOpenGL2-9.2 \
+        # -lvtkRenderingFreeType-9.2 \
+        # -lvtkRenderingGL2PSOpenGL2-9.2 \
+        # -lvtkRenderingAnnotation-9.2 \
+        # -lvtkCommonExecutionModel-9.2 \
+        # -lvtkCommonDataModel-9.2 \
+        # -lvtkGUISupportQt-9.2 \
+        # -lvtkRenderingOpenGL2-9.2 \
+        # -lvtkIOGeometry-9.2 \
+        # -lvtkViewsQt-9.2 \
+        # -lvtkImagingCore-9.2 \
+        # -lvtkIOImage-9.2 \
+        # -lvtkIOLegacy-9.2 \
+        # -lvtksys-9.2
     } else {
         # Presumably Ubuntu 18.04 LTS
-        # INCLUDEPATH += /usr/local/include/vtk-9.2
         LIBS += -L/usr/local/lib \
+        # INCLUDEPATH += /usr/local/include/vtk-9.2
         #-lvtkViewsCore-9.2 \
         #-lvtkFiltersCore-9.2 \
         #-lvtkCommonColor-9.2 \