diff --git a/.github/workflows/pull_requests.yml b/.github/workflows/pull_requests.yml
index d5246495..20dda7f7 100644
--- a/.github/workflows/pull_requests.yml
+++ b/.github/workflows/pull_requests.yml
@@ -74,6 +74,17 @@ jobs:
       - name: Binary
         run: flutter build windows
 
+      - name: Archive build
+        run: |
+          Copy-Item '.\build\windows\x64\runner\Release' '.\myWitWallet' -Recurse
+          Compress-Archive -Path '.\myWitWallet' -DestinationPath '.\myWitWallet-windows.zip' -Force
+
+      - name: Upload Artifacts
+        uses: actions/upload-artifact@v4
+        with:
+          name: windows
+          path: .\myWitWallet-windows.zip
+
   Linux:
     runs-on: ubuntu-22.04
     steps:
diff --git a/windows/CMakeLists.txt b/windows/CMakeLists.txt
index 8fa4d884..e4533859 100644
--- a/windows/CMakeLists.txt
+++ b/windows/CMakeLists.txt
@@ -5,7 +5,6 @@ set(BINARY_NAME "myWitWallet")
 
 cmake_policy(SET CMP0063 NEW)
 
-set(CMAKE_INSTALL_RPATH "$ORIGIN/lib")
 
 # Configure build options.
 get_property(IS_MULTICONFIG GLOBAL PROPERTY GENERATOR_IS_MULTI_CONFIG)
@@ -80,6 +79,12 @@ if(PLUGIN_BUNDLED_LIBRARIES)
     COMPONENT Runtime)
 endif()
 
+# Copy the native assets provided by the build.dart from all packages.
+set(NATIVE_ASSETS_DIR "${PROJECT_BUILD_DIR}native_assets/windows/")
+install(DIRECTORY "${NATIVE_ASSETS_DIR}"
+   DESTINATION "${INSTALL_BUNDLE_LIB_DIR}"
+   COMPONENT Runtime)
+
 # Fully re-copy the assets directory on each build to avoid having stale files
 # from a previous install.
 set(FLUTTER_ASSET_DIR_NAME "flutter_assets")
diff --git a/windows/runner/CMakeLists.txt b/windows/runner/CMakeLists.txt
index 0dcba780..a0f2eade 100644
--- a/windows/runner/CMakeLists.txt
+++ b/windows/runner/CMakeLists.txt
@@ -5,7 +5,6 @@ add_executable(${BINARY_NAME} WIN32
   "flutter_window.cpp"
   "window_configuration.cpp"
   "main.cpp"
-  "run_loop.cpp"
   "utils.cpp"
   "win32_window.cpp"
   "${FLUTTER_MANAGED_DIR}/generated_plugin_registrant.cc"
@@ -13,7 +12,22 @@ add_executable(${BINARY_NAME} WIN32
   "runner.exe.manifest"
 )
 apply_standard_settings(${BINARY_NAME})
+
+# Add preprocessor definitions for the build version.
+target_compile_definitions(${BINARY_NAME} PRIVATE "FLUTTER_VERSION=\"${FLUTTER_VERSION}\"")
+target_compile_definitions(${BINARY_NAME} PRIVATE "FLUTTER_VERSION_MAJOR=${FLUTTER_VERSION_MAJOR}")
+target_compile_definitions(${BINARY_NAME} PRIVATE "FLUTTER_VERSION_MINOR=${FLUTTER_VERSION_MINOR}")
+target_compile_definitions(${BINARY_NAME} PRIVATE "FLUTTER_VERSION_PATCH=${FLUTTER_VERSION_PATCH}")
+target_compile_definitions(${BINARY_NAME} PRIVATE "FLUTTER_VERSION_BUILD=${FLUTTER_VERSION_BUILD}")
+
+# Disable Windows macros that collide with C++ standard library functions.
 target_compile_definitions(${BINARY_NAME} PRIVATE "NOMINMAX")
+
+# Add dependency libraries and include directories. Add any application-specific
+# dependencies here.
 target_link_libraries(${BINARY_NAME} PRIVATE flutter flutter_wrapper_app)
+target_link_libraries(${BINARY_NAME} PRIVATE "dwmapi.lib")
 target_include_directories(${BINARY_NAME} PRIVATE "${CMAKE_SOURCE_DIR}")
+
+# Run the Flutter tool portions of the build. This must not be removed.
 add_dependencies(${BINARY_NAME} flutter_assemble)
diff --git a/windows/runner/flutter_window.cpp b/windows/runner/flutter_window.cpp
index 41bbc5e0..272cf7d8 100644
--- a/windows/runner/flutter_window.cpp
+++ b/windows/runner/flutter_window.cpp
@@ -4,9 +4,8 @@
 
 #include "flutter/generated_plugin_registrant.h"
 
-FlutterWindow::FlutterWindow(RunLoop* run_loop,
-                             const flutter::DartProject& project)
-    : run_loop_(run_loop), project_(project) {}
+FlutterWindow::FlutterWindow(const flutter::DartProject& project)
+    : project_(project) {}
 
 FlutterWindow::~FlutterWindow() {}
 
@@ -26,14 +25,20 @@ bool FlutterWindow::OnCreate() {
     return false;
   }
   RegisterPlugins(flutter_controller_->engine());
-  run_loop_->RegisterFlutterInstance(flutter_controller_->engine());
   SetChildContent(flutter_controller_->view()->GetNativeWindow());
+
+  flutter_controller_->engine()->SetNextFrameCallback([&]() {
+    this->Show();
+  });
+
+  // Flutter can complete the first frame before the "show window" callback is registered.
+  // The following call ensures a frame is pending to ensure the window is shown.
+  flutter_controller_->ForceRedraw();
   return true;
 }
 
 void FlutterWindow::OnDestroy() {
   if (flutter_controller_) {
-    run_loop_->UnregisterFlutterInstance(flutter_controller_->engine());
     flutter_controller_ = nullptr;
   }
 
diff --git a/windows/runner/flutter_window.h b/windows/runner/flutter_window.h
index b663ddd5..6da0652f 100644
--- a/windows/runner/flutter_window.h
+++ b/windows/runner/flutter_window.h
@@ -6,16 +6,13 @@
 
 #include <memory>
 
-#include "run_loop.h"
 #include "win32_window.h"
 
 // A window that does nothing but host a Flutter view.
 class FlutterWindow : public Win32Window {
  public:
-  // Creates a new FlutterWindow driven by the |run_loop|, hosting a
-  // Flutter view running |project|.
-  explicit FlutterWindow(RunLoop* run_loop,
-                         const flutter::DartProject& project);
+  // Creates a new FlutterWindow hosting a Flutter view running |project|.
+  explicit FlutterWindow(const flutter::DartProject& project);
   virtual ~FlutterWindow();
 
  protected:
@@ -26,9 +23,6 @@ class FlutterWindow : public Win32Window {
                          LPARAM const lparam) noexcept override;
 
  private:
-  // The run loop driving events for this window.
-  RunLoop* run_loop_;
-
   // The project to run.
   flutter::DartProject project_;
 
diff --git a/windows/runner/main.cpp b/windows/runner/main.cpp
index f8c772c1..6d142020 100644
--- a/windows/runner/main.cpp
+++ b/windows/runner/main.cpp
@@ -3,7 +3,6 @@
 #include <windows.h>
 #include "window_configuration.h"
 #include "flutter_window.h"
-#include "run_loop.h"
 #include "utils.h"
 
 int APIENTRY wWinMain(_In_ HINSTANCE instance, _In_opt_ HINSTANCE prev,
@@ -18,8 +17,6 @@ int APIENTRY wWinMain(_In_ HINSTANCE instance, _In_opt_ HINSTANCE prev,
   // plugins.
   ::CoInitializeEx(nullptr, COINIT_APARTMENTTHREADED);
 
-  RunLoop run_loop;
-
   flutter::DartProject project(L"data");
 
   std::vector<std::string> command_line_arguments =
@@ -31,7 +28,7 @@ int APIENTRY wWinMain(_In_ HINSTANCE instance, _In_opt_ HINSTANCE prev,
   int xOffset = offset[0];
   int yOffset = offset[1];
 
-  FlutterWindow window(&run_loop, project);
+  FlutterWindow window(project);
   Win32Window::Point origin(xOffset, yOffset);
   Win32Window::Size size(kFlutterWindowWidth, kFlutterWindowHeight);
   if (!window.CreateAndShow(kFlutterWindowTitle, origin, size)) {
@@ -39,7 +36,11 @@ int APIENTRY wWinMain(_In_ HINSTANCE instance, _In_opt_ HINSTANCE prev,
   }
   window.SetQuitOnClose(true);
 
-  run_loop.Run();
+  ::MSG msg;
+  while (::GetMessage(&msg, nullptr, 0, 0)) {
+    ::TranslateMessage(&msg);
+    ::DispatchMessage(&msg);
+  }
 
   ::CoUninitialize();
   return EXIT_SUCCESS;
diff --git a/windows/runner/run_loop.cpp b/windows/runner/run_loop.cpp
deleted file mode 100644
index 2d6636ab..00000000
--- a/windows/runner/run_loop.cpp
+++ /dev/null
@@ -1,66 +0,0 @@
-#include "run_loop.h"
-
-#include <windows.h>
-
-#include <algorithm>
-
-RunLoop::RunLoop() {}
-
-RunLoop::~RunLoop() {}
-
-void RunLoop::Run() {
-  bool keep_running = true;
-  TimePoint next_flutter_event_time = TimePoint::clock::now();
-  while (keep_running) {
-    std::chrono::nanoseconds wait_duration =
-        std::max(std::chrono::nanoseconds(0),
-                 next_flutter_event_time - TimePoint::clock::now());
-    ::MsgWaitForMultipleObjects(
-        0, nullptr, FALSE, static_cast<DWORD>(wait_duration.count() / 1000),
-        QS_ALLINPUT);
-    bool processed_events = false;
-    MSG message;
-    // All pending Windows messages must be processed; MsgWaitForMultipleObjects
-    // won't return again for items left in the queue after PeekMessage.
-    while (::PeekMessage(&message, nullptr, 0, 0, PM_REMOVE)) {
-      processed_events = true;
-      if (message.message == WM_QUIT) {
-        keep_running = false;
-        break;
-      }
-      ::TranslateMessage(&message);
-      ::DispatchMessage(&message);
-      // Allow Flutter to process messages each time a Windows message is
-      // processed, to prevent starvation.
-      next_flutter_event_time =
-          std::min(next_flutter_event_time, ProcessFlutterMessages());
-    }
-    // If the PeekMessage loop didn't run, process Flutter messages.
-    if (!processed_events) {
-      next_flutter_event_time =
-          std::min(next_flutter_event_time, ProcessFlutterMessages());
-    }
-  }
-}
-
-void RunLoop::RegisterFlutterInstance(
-    flutter::FlutterEngine* flutter_instance) {
-  flutter_instances_.insert(flutter_instance);
-}
-
-void RunLoop::UnregisterFlutterInstance(
-    flutter::FlutterEngine* flutter_instance) {
-  flutter_instances_.erase(flutter_instance);
-}
-
-RunLoop::TimePoint RunLoop::ProcessFlutterMessages() {
-  TimePoint next_event_time = TimePoint::max();
-  for (auto instance : flutter_instances_) {
-    std::chrono::nanoseconds wait_duration = instance->ProcessMessages();
-    if (wait_duration != std::chrono::nanoseconds::max()) {
-      next_event_time =
-          std::min(next_event_time, TimePoint::clock::now() + wait_duration);
-    }
-  }
-  return next_event_time;
-}
diff --git a/windows/runner/run_loop.h b/windows/runner/run_loop.h
deleted file mode 100644
index 000d3624..00000000
--- a/windows/runner/run_loop.h
+++ /dev/null
@@ -1,40 +0,0 @@
-#ifndef RUNNER_RUN_LOOP_H_
-#define RUNNER_RUN_LOOP_H_
-
-#include <flutter/flutter_engine.h>
-
-#include <chrono>
-#include <set>
-
-// A runloop that will service events for Flutter instances as well
-// as native messages.
-class RunLoop {
- public:
-  RunLoop();
-  ~RunLoop();
-
-  // Prevent copying
-  RunLoop(RunLoop const&) = delete;
-  RunLoop& operator=(RunLoop const&) = delete;
-
-  // Runs the run loop until the application quits.
-  void Run();
-
-  // Registers the given Flutter instance for event servicing.
-  void RegisterFlutterInstance(
-      flutter::FlutterEngine* flutter_instance);
-
-  // Unregisters the given Flutter instance from event servicing.
-  void UnregisterFlutterInstance(
-      flutter::FlutterEngine* flutter_instance);
-
- private:
-  using TimePoint = std::chrono::steady_clock::time_point;
-
-  // Processes all currently pending messages for registered Flutter instances.
-  TimePoint ProcessFlutterMessages();
-
-  std::set<flutter::FlutterEngine*> flutter_instances_;
-};
-
-#endif  // RUNNER_RUN_LOOP_H_
diff --git a/windows/runner/utils.cpp b/windows/runner/utils.cpp
index d19bdbbc..3a0b4651 100644
--- a/windows/runner/utils.cpp
+++ b/windows/runner/utils.cpp
@@ -45,18 +45,19 @@ std::string Utf8FromUtf16(const wchar_t* utf16_string) {
   if (utf16_string == nullptr) {
     return std::string();
   }
-  int target_length = ::WideCharToMultiByte(
+  unsigned int target_length = ::WideCharToMultiByte(
       CP_UTF8, WC_ERR_INVALID_CHARS, utf16_string,
-      -1, nullptr, 0, nullptr, nullptr);
-  if (target_length == 0) {
-    return std::string();
-  }
+      -1, nullptr, 0, nullptr, nullptr)
+    -1; // remove the trailing null character
+  int input_length = (int)wcslen(utf16_string);
   std::string utf8_string;
+  if (target_length == 0 || target_length > utf8_string.max_size()) {
+    return utf8_string;
+  }
   utf8_string.resize(target_length);
   int converted_length = ::WideCharToMultiByte(
       CP_UTF8, WC_ERR_INVALID_CHARS, utf16_string,
-      -1, utf8_string.data(),
-      target_length, nullptr, nullptr);
+      input_length, utf8_string.data(), target_length, nullptr, nullptr);
   if (converted_length == 0) {
     return std::string();
   }
diff --git a/windows/runner/win32_window.cpp b/windows/runner/win32_window.cpp
index c10f08dc..fc951ba0 100644
--- a/windows/runner/win32_window.cpp
+++ b/windows/runner/win32_window.cpp
@@ -1,13 +1,26 @@
 #include "win32_window.h"
 
+#include <dwmapi.h>
 #include <flutter_windows.h>
 
 #include "resource.h"
 
 namespace {
 
+/// Window attribute that enables dark mode window decorations.
+/// See: https://docs.microsoft.com/windows/win32/api/dwmapi/ne-dwmapi-dwmwindowattribute
+#ifndef DWMWA_USE_IMMERSIVE_DARK_MODE
+#define DWMWA_USE_IMMERSIVE_DARK_MODE 20
+#endif
+
 constexpr const wchar_t kWindowClassName[] = L"FLUTTER_RUNNER_WIN32_WINDOW";
 
+/// Registry key for app theme preference.
+/// A value of 0 indicates apps should use dark mode. A non-zero or missing value indicates apps should use light mode.
+constexpr const wchar_t kGetPreferredBrightnessRegKey[] =
+  L"Software\\Microsoft\\Windows\\CurrentVersion\\Themes\\Personalize";
+constexpr const wchar_t kGetPreferredBrightnessRegValue[] = L"AppsUseLightTheme";
+
 // The number of Win32Window objects that currently exist.
 static int g_active_window_count = 0;
 
@@ -31,8 +44,8 @@ void EnableFullDpiSupportIfAvailable(HWND hwnd) {
           GetProcAddress(user32_module, "EnableNonClientDpiScaling"));
   if (enable_non_client_dpi_scaling != nullptr) {
     enable_non_client_dpi_scaling(hwnd);
-    FreeLibrary(user32_module);
   }
+  FreeLibrary(user32_module);
 }
 
 }  // namespace
@@ -42,7 +55,7 @@ class WindowClassRegistrar {
  public:
   ~WindowClassRegistrar() = default;
 
-  // Returns the singleton registar instance.
+  // Returns the singleton registrar instance.
   static WindowClassRegistrar* GetInstance() {
     if (!instance_) {
       instance_ = new WindowClassRegistrar();
@@ -117,7 +130,7 @@ bool Win32Window::CreateAndShow(const std::wstring& title,
   double scale_factor = dpi / 96.0;
 
   HWND window = CreateWindow(
-      window_class, title.c_str(), WS_OVERLAPPEDWINDOW | WS_VISIBLE,
+      window_class, title.c_str(), WS_OVERLAPPEDWINDOW,
       Scale(origin.x, scale_factor), Scale(origin.y, scale_factor),
       Scale(size.width, scale_factor), Scale(size.height, scale_factor),
       nullptr, nullptr, GetModuleHandle(nullptr), this);
@@ -126,9 +139,15 @@ bool Win32Window::CreateAndShow(const std::wstring& title,
     return false;
   }
 
+  UpdateTheme(window);
+
   return OnCreate();
 }
 
+bool Win32Window::Show() {
+  return ShowWindow(window_handle_, SW_SHOWNORMAL);
+}
+
 // static
 LRESULT CALLBACK Win32Window::WndProc(HWND const window,
                                       UINT const message,
@@ -188,6 +207,10 @@ Win32Window::MessageHandler(HWND hwnd,
         SetFocus(child_content_);
       }
       return 0;
+
+    case WM_DWMCOLORIZATIONCOLORCHANGED:
+      UpdateTheme(hwnd);
+      return 0;
   }
 
   return DefWindowProc(window_handle_, message, wparam, lparam);
@@ -243,3 +266,18 @@ bool Win32Window::OnCreate() {
 void Win32Window::OnDestroy() {
   // No-op; provided for subclasses.
 }
+
+void Win32Window::UpdateTheme(HWND const window) {
+  DWORD light_mode;
+  DWORD light_mode_size = sizeof(light_mode);
+  LSTATUS result = RegGetValue(HKEY_CURRENT_USER, kGetPreferredBrightnessRegKey,
+                               kGetPreferredBrightnessRegValue,
+                               RRF_RT_REG_DWORD, nullptr, &light_mode,
+                               &light_mode_size);
+
+  if (result == ERROR_SUCCESS) {
+    BOOL enable_dark_mode = light_mode == 0;
+    DwmSetWindowAttribute(window, DWMWA_USE_IMMERSIVE_DARK_MODE,
+                          &enable_dark_mode, sizeof(enable_dark_mode));
+  }
+}
diff --git a/windows/runner/win32_window.h b/windows/runner/win32_window.h
index 17ba4311..768af00f 100644
--- a/windows/runner/win32_window.h
+++ b/windows/runner/win32_window.h
@@ -28,15 +28,16 @@ class Win32Window {
   Win32Window();
   virtual ~Win32Window();
 
-  // Creates and shows a win32 window with |title| and position and size using
+  // Creates a win32 window with |title| that is positioned and sized using
   // |origin| and |size|. New windows are created on the default monitor. Window
   // sizes are specified to the OS in physical pixels, hence to ensure a
-  // consistent size to will treat the width height passed in to this function
-  // as logical pixels and scale to appropriate for the default monitor. Returns
-  // true if the window was created successfully.
-  bool CreateAndShow(const std::wstring& title,
-                     const Point& origin,
-                     const Size& size);
+  // consistent size this function will scale the inputted width and height as
+  // as appropriate for the default monitor. The window is invisible until
+  // |Show| is called. Returns true if the window was created successfully.
+  bool CreateAndShow(const std::wstring& title, const Point& origin, const Size& size);
+
+  // Show the current window. Returns true if the window was successfully shown.
+  bool Show();
 
   // Release OS resources associated with window.
   void Destroy();
@@ -76,7 +77,7 @@ class Win32Window {
   // OS callback called by message pump. Handles the WM_NCCREATE message which
   // is passed when the non-client area is being created and enables automatic
   // non-client DPI scaling so that the non-client area automatically
-  // responsponds to changes in DPI. All other messages are handled by
+  // responds to changes in DPI. All other messages are handled by
   // MessageHandler.
   static LRESULT CALLBACK WndProc(HWND const window,
                                   UINT const message,
@@ -86,6 +87,9 @@ class Win32Window {
   // Retrieves a class instance pointer for |window|
   static Win32Window* GetThisFromHandle(HWND const window) noexcept;
 
+  // Update the window frame's theme to match the system theme.
+  static void UpdateTheme(HWND const window);
+
   bool quit_on_close_ = false;
 
   // window handle for top level window.