diff --git a/Code/Tools/ProjectManager/Source/GemCatalog/GemCatalogHeaderWidget.cpp b/Code/Tools/ProjectManager/Source/GemCatalog/GemCatalogHeaderWidget.cpp
index e676ba73d3..e91b46cc65 100644
--- a/Code/Tools/ProjectManager/Source/GemCatalog/GemCatalogHeaderWidget.cpp
+++ b/Code/Tools/ProjectManager/Source/GemCatalog/GemCatalogHeaderWidget.cpp
@@ -423,6 +423,8 @@ namespace O3DE::ProjectManager
             });
         m_cartOverlay->show();
 
+        emit OverlayUpdate(m_cartOverlay);
+        /*
         const QPoint parentPos = m_dropDownButton->mapToParent(m_dropDownButton->pos());
         const QPoint globalPos = m_dropDownButton->mapToGlobal(m_dropDownButton->pos());
         const QPoint offset(-4, 10);
@@ -430,6 +432,7 @@ namespace O3DE::ProjectManager
             globalPos.y() + offset.y(),
             m_cartOverlay->width(),
             m_cartOverlay->height());
+        */
     }
 
     CartButton::~CartButton()
@@ -514,6 +517,8 @@ namespace O3DE::ProjectManager
 
         connect(m_downloadController, &DownloadController::GemDownloadAdded, this, &GemCatalogHeaderWidget::GemDownloadAdded);
         connect(m_downloadController, &DownloadController::GemDownloadRemoved, this, &GemCatalogHeaderWidget::GemDownloadRemoved);
+
+        connect(m_cartButton, &CartButton::OverlayUpdate, this, [this](QWidget* cartOverlay) { emit OverlayUpdate(cartOverlay); });
     }
 
     void GemCatalogHeaderWidget::GemDownloadAdded(const QString& /*gemName*/)
diff --git a/Code/Tools/ProjectManager/Source/GemCatalog/GemCatalogHeaderWidget.h b/Code/Tools/ProjectManager/Source/GemCatalog/GemCatalogHeaderWidget.h
index 5174fde57d..072bf27b73 100644
--- a/Code/Tools/ProjectManager/Source/GemCatalog/GemCatalogHeaderWidget.h
+++ b/Code/Tools/ProjectManager/Source/GemCatalog/GemCatalogHeaderWidget.h
@@ -70,6 +70,9 @@ namespace O3DE::ProjectManager
         ~CartButton();
         void ShowOverlay();
 
+    signals:
+        void OverlayUpdate(QWidget* cartOverlay);
+
     private:
         void mousePressEvent(QMouseEvent* event) override;
         void hideEvent(QHideEvent*) override;
@@ -104,6 +107,7 @@ namespace O3DE::ProjectManager
         void AddGem();
         void OpenGemsRepo();
         void RefreshGems();
+        void OverlayUpdate(QWidget* cartOverlay);
         
     private:
         AzQtComponents::SearchLineEdit* m_filterLineEdit = nullptr;
diff --git a/Code/Tools/ProjectManager/Source/GemCatalog/GemCatalogScreen.cpp b/Code/Tools/ProjectManager/Source/GemCatalog/GemCatalogScreen.cpp
index 6abbfe16ba..e303e1148e 100644
--- a/Code/Tools/ProjectManager/Source/GemCatalog/GemCatalogScreen.cpp
+++ b/Code/Tools/ProjectManager/Source/GemCatalog/GemCatalogScreen.cpp
@@ -60,14 +60,26 @@ namespace O3DE::ProjectManager
         hLayout->setMargin(0);
         vLayout->addLayout(hLayout);
 
+        m_rightPanelStack = new QStackedWidget(this);
+        m_rightPanelStack->setFixedWidth(240);
+
+        connect(m_headerWidget, &GemCatalogHeaderWidget::OverlayUpdate, this, &GemCatalogScreen::UpdateAndShowGemCart);
+
         m_gemListView = new GemListView(m_proxyModel, m_proxyModel->GetSelectionModel(), this);
         m_gemInspector = new GemInspector(m_gemModel, this);
-        m_gemInspector->setFixedWidth(240);
 
         connect(m_gemInspector, &GemInspector::TagClicked, [=](const Tag& tag) { SelectGem(tag.id); });
         connect(m_gemInspector, &GemInspector::UpdateGem, this, &GemCatalogScreen::UpdateGem);
         connect(m_gemInspector, &GemInspector::UninstallGem, this, &GemCatalogScreen::UninstallGem);
 
+        // Show the inspector if gem selection changes
+        connect(
+            m_gemModel->GetSelectionModel(), &QItemSelectionModel::selectionChanged, this,
+            [this]
+            {
+                m_rightPanelStack->setCurrentIndex(RightPanelWidgetOrder::Inspector);
+            });
+
         QWidget* filterWidget = new QWidget(this);
         filterWidget->setFixedWidth(240);
         m_filterWidgetLayout = new QVBoxLayout();
@@ -85,7 +97,9 @@ namespace O3DE::ProjectManager
 
         hLayout->addWidget(filterWidget);
         hLayout->addLayout(middleVLayout);
-        hLayout->addWidget(m_gemInspector);
+
+        hLayout->addWidget(m_rightPanelStack);
+        m_rightPanelStack->addWidget(m_gemInspector);
 
         m_notificationsView = AZStd::make_unique<AzToolsFramework::ToastNotificationsView>(this, AZ_CRC("GemCatalogNotificationsView"));
         m_notificationsView->SetOffset(QPoint(10, 70));
@@ -302,6 +316,8 @@ namespace O3DE::ProjectManager
         QModelIndex proxyIndex = m_proxyModel->mapFromSource(modelIndex);
         m_proxyModel->GetSelectionModel()->select(proxyIndex, QItemSelectionModel::ClearAndSelect);
         m_gemListView->scrollTo(proxyIndex);
+
+        m_rightPanelStack->setCurrentIndex(RightPanelWidgetOrder::Inspector);
     }
 
     void GemCatalogScreen::UpdateGem(const QModelIndex& modelIndex)
@@ -559,6 +575,18 @@ namespace O3DE::ProjectManager
         emit ChangeScreenRequest(ProjectManagerScreen::GemRepos);
     }
 
+    void GemCatalogScreen::UpdateAndShowGemCart(QWidget* cartWidget)
+    {
+        QWidget* previousCart = m_rightPanelStack->widget(RightPanelWidgetOrder::Cart);
+        if (previousCart)
+        {
+            m_rightPanelStack->removeWidget(previousCart);
+        }
+
+        m_rightPanelStack->insertWidget(RightPanelWidgetOrder::Cart, cartWidget);
+        m_rightPanelStack->setCurrentIndex(RightPanelWidgetOrder::Cart);
+    }
+
     void GemCatalogScreen::OnGemDownloadResult(const QString& gemName, bool succeeded)
     {
         if (succeeded)
diff --git a/Code/Tools/ProjectManager/Source/GemCatalog/GemCatalogScreen.h b/Code/Tools/ProjectManager/Source/GemCatalog/GemCatalogScreen.h
index c5fbb057ef..0b48ee45bd 100644
--- a/Code/Tools/ProjectManager/Source/GemCatalog/GemCatalogScreen.h
+++ b/Code/Tools/ProjectManager/Source/GemCatalog/GemCatalogScreen.h
@@ -18,8 +18,10 @@
 #include <GemCatalog/GemInspector.h>
 #include <GemCatalog/GemModel.h>
 #include <GemCatalog/GemSortFilterProxyModel.h>
+
 #include <QSet>
 #include <QString>
+#include <QStackedWidget>
 #endif
 
 namespace O3DE::ProjectManager
@@ -62,14 +64,21 @@ namespace O3DE::ProjectManager
 
     private slots:
         void HandleOpenGemRepo();
-
+        void UpdateAndShowGemCart(QWidget* cartWidget);
 
     private:
+        enum RightPanelWidgetOrder
+        {
+            Inspector = 0,
+            Cart
+        };
+
         void FillModel(const QString& projectPath);
 
         AZStd::unique_ptr<AzToolsFramework::ToastNotificationsView> m_notificationsView;
 
         GemListView* m_gemListView = nullptr;
+        QStackedWidget* m_rightPanelStack = nullptr;
         GemInspector* m_gemInspector = nullptr;
         GemModel* m_gemModel = nullptr;
         GemCatalogHeaderWidget* m_headerWidget = nullptr;