diff --git a/src/plugins/styles/modernwindows/qwindows11style.cpp b/src/plugins/styles/modernwindows/qwindows11style.cpp
index 5e51e4178e..c14a84c20f 100644
--- a/src/plugins/styles/modernwindows/qwindows11style.cpp
+++ b/src/plugins/styles/modernwindows/qwindows11style.cpp
@@ -56,9 +56,107 @@ QWindows11Style::QWindows11Style(QWindows11StylePrivate &dd) : QWindowsVistaStyl
 */
 QWindows11Style::~QWindows11Style() = default;
 
+/*!
+  \internal
+  see drawPrimitive for comments on the animation support
+
+ */
+void QWindows11Style::drawComplexControl(ComplexControl control, const QStyleOptionComplex *option,
+                                         QPainter *painter, const QWidget *widget) const
+{
+    State state = option->state;
+    SubControls sub = option->subControls;
+    State flags = option->state;
+    if (widget && widget->testAttribute(Qt::WA_UnderMouse) && widget->isActiveWindow())
+        flags |= State_MouseOver;
+
+    painter->save();
+    painter->setRenderHint(QPainter::Antialiasing);
+    switch (control) {
+    case QStyle::CC_ScrollBar:
+        if (const QStyleOptionSlider *scrollbar = qstyleoption_cast<const QStyleOptionSlider *>(option)) {
+            QRectF rect = scrollbar->rect;
+            QPointF center = rect.center();
+
+            if (scrollbar->orientation == Qt::Vertical && rect.width()>24)
+                rect.marginsRemoved(QMargins(0,2,2,2));
+            else if (scrollbar->orientation == Qt::Horizontal && rect.height()>24)
+                rect.marginsRemoved(QMargins(2,0,2,2));
+
+            if (state & State_MouseOver) {
+                if (scrollbar->orientation == Qt::Vertical && rect.width()>24)
+                    rect.setWidth(rect.width()/2);
+                else if (scrollbar->orientation == Qt::Horizontal && rect.height()>24)
+                    rect.setHeight(rect.height()/2);
+                rect.moveCenter(center);
+                painter->setBrush(scrollbar->palette.base());
+                painter->setPen(frameColorLight);
+                painter->drawRoundedRect(rect, topLevelRoundingRadius, topLevelRoundingRadius);
+            }
+            if (sub & SC_ScrollBarSlider) {
+                QRectF rect = proxy()->subControlRect(CC_ScrollBar, option, SC_ScrollBarSlider, widget);
+                QPointF center = rect.center();
+                if (flags & State_MouseOver) {
+                    if (scrollbar->orientation == Qt::Vertical)
+                        rect.setWidth(rect.width()/2);
+                    else
+                        rect.setHeight(rect.height()/2);
+                }
+                else {
+                    if (scrollbar->orientation == Qt::Vertical)
+                        rect.setWidth(rect.width()/4);
+                    else
+                        rect.setHeight(rect.height()/4);
+
+                }
+                rect.moveCenter(center);
+                painter->setBrush(Qt::gray);
+                painter->setPen(Qt::NoPen);
+                painter->drawRoundedRect(rect, secondLevelRoundingRadius, secondLevelRoundingRadius);
+            }
+            if (sub & SC_ScrollBarAddLine) {
+                QRectF rect = proxy()->subControlRect(CC_ScrollBar, option, SC_ScrollBarAddLine, widget);
+                if (flags & State_MouseOver) {
+                    painter->setFont(QFont("Segoe Fluent Icons"));
+                    painter->setPen(Qt::gray);
+                    if (scrollbar->orientation == Qt::Vertical)
+                        painter->drawText(rect,"\uEDDC", Qt::AlignVCenter | Qt::AlignHCenter);
+                    else
+                        painter->drawText(rect,"\uEDDA", Qt::AlignVCenter | Qt::AlignHCenter);
+                }
+            }
+            if (sub & SC_ScrollBarSubLine) {
+                QRectF rect = proxy()->subControlRect(CC_ScrollBar, option, SC_ScrollBarSubLine, widget);
+                if (flags & State_MouseOver) {
+                    painter->setPen(Qt::gray);
+                    if (scrollbar->orientation == Qt::Vertical)
+                        painter->drawText(rect,"\uEDDB", Qt::AlignVCenter | Qt::AlignHCenter);
+                    else
+                        painter->drawText(rect,"\uEDD9", Qt::AlignVCenter | Qt::AlignHCenter);
+                }
+            }
+        }
+        break;
+    default:
+        QWindowsVistaStyle::drawComplexControl(control, option, painter, widget);
+    }
+    painter->restore();
+}
+
 void QWindows11Style::polish(QWidget* widget)
 {
     QWindowsVistaStyle::polish(widget);
+    if (widget->inherits("QScrollBar")) {
+        bool wasCreated = widget->testAttribute(Qt::WA_WState_Created);
+        widget->setAttribute(Qt::WA_OpaquePaintEvent,false);
+        widget->setAttribute(Qt::WA_TranslucentBackground);
+        widget->setWindowFlag(Qt::FramelessWindowHint);
+        widget->setWindowFlag(Qt::NoDropShadowWindowHint);
+        widget->setAttribute(Qt::WA_WState_Created, wasCreated);
+        auto pal = widget->palette();
+        pal.setColor(widget->backgroundRole(), Qt::transparent);
+        widget->setPalette(pal);
+    }
     if (widget->inherits("QGraphicsView")) {
         QPalette pal = widget->palette();
         pal.setColor(QPalette::Base, pal.window().color());
diff --git a/src/plugins/styles/modernwindows/qwindows11style_p.h b/src/plugins/styles/modernwindows/qwindows11style_p.h
index d4973ddae7..725a488465 100644
--- a/src/plugins/styles/modernwindows/qwindows11style_p.h
+++ b/src/plugins/styles/modernwindows/qwindows11style_p.h
@@ -30,6 +30,8 @@ public:
     QWindows11Style();
     ~QWindows11Style() override;
 
+    void drawComplexControl(ComplexControl control, const QStyleOptionComplex *option,
+                            QPainter *painter, const QWidget *widget) const override;
     void polish(QWidget* widget) override;
 protected:
     QWindows11Style(QWindows11StylePrivate &dd);