diff --git a/flutter/windows/runner/CMakeLists.txt b/flutter/windows/runner/CMakeLists.txt
index 17411a8ab..2dbf0a973 100644
--- a/flutter/windows/runner/CMakeLists.txt
+++ b/flutter/windows/runner/CMakeLists.txt
@@ -10,6 +10,7 @@ add_executable(${BINARY_NAME} WIN32
   "flutter_window.cpp"
   "main.cpp"
   "utils.cpp"
+  "win32_desktop.cpp"
   "win32_window.cpp"
   "${FLUTTER_MANAGED_DIR}/generated_plugin_registrant.cc"
   "Runner.rc"
diff --git a/flutter/windows/runner/main.cpp b/flutter/windows/runner/main.cpp
index 5c55d1c28..cd9f386b1 100644
--- a/flutter/windows/runner/main.cpp
+++ b/flutter/windows/runner/main.cpp
@@ -7,6 +7,7 @@
 #include <algorithm>
 #include <iostream>
 
+#include "win32_desktop.h"
 #include "flutter_window.h"
 #include "utils.h"
 
@@ -126,8 +127,22 @@ int APIENTRY wWinMain(_In_ HINSTANCE instance, _In_opt_ HINSTANCE prev,
   project.set_dart_entrypoint_arguments(std::move(command_line_arguments));
 
   FlutterWindow window(project);
-  Win32Window::Point origin(10, 10);
-  Win32Window::Size size(800, 600);
+
+  // Get primary monitor's work area.
+  Win32Window::Point workarea_origin(0, 0);
+  Win32Window::Size workarea_size(0, 0);
+
+  Win32Desktop::GetWorkArea(workarea_origin, workarea_size);
+
+  // Compute window bounds for default main window position: (10, 10) x(800, 600)
+  Win32Window::Point relative_origin(10, 10);
+
+  Win32Window::Point origin(workarea_origin.x + relative_origin.x, workarea_origin.y + relative_origin.y);
+  Win32Window::Size size(800u, 600u);
+
+  // Fit the window to the monitor's work area.
+  Win32Desktop::FitToWorkArea(origin, size);
+
   std::wstring window_title;
   if (is_cm_page) {
     window_title = app_name + L" - Connection Manager";
diff --git a/flutter/windows/runner/win32_desktop.cpp b/flutter/windows/runner/win32_desktop.cpp
new file mode 100644
index 000000000..566f883ec
--- /dev/null
+++ b/flutter/windows/runner/win32_desktop.cpp
@@ -0,0 +1,77 @@
+#include "win32_desktop.h"
+
+#include <windows.h>
+
+#include <algorithm>
+
+namespace Win32Desktop
+{
+  void GetWorkArea(Win32Window::Point& origin, Win32Window::Size& size)
+  {
+    RECT windowRect;
+
+    windowRect.left = origin.x;
+    windowRect.top = origin.y;
+    windowRect.right = origin.x + size.width;
+    windowRect.bottom = origin.y + size.height;
+
+    HMONITOR hMonitor = MonitorFromRect(&windowRect, MONITOR_DEFAULTTONEAREST);
+
+    if (hMonitor == NULL)
+      hMonitor = MonitorFromWindow(NULL, MONITOR_DEFAULTTOPRIMARY);
+
+    RECT workAreaRect;
+    bool haveWorkAreaRect = false;
+
+    if (hMonitor != NULL)
+    {
+      MONITORINFO monitorInfo = {0};
+
+      monitorInfo.cbSize = sizeof(monitorInfo);
+
+      if (GetMonitorInfoW(hMonitor, &monitorInfo))
+      {
+        workAreaRect = monitorInfo.rcWork;
+        haveWorkAreaRect = true;
+      }
+    }
+
+    if (!haveWorkAreaRect)
+    {
+      // I don't think this is possible, but just in case, some
+      // reasonably sane fallbacks.
+      workAreaRect.left = 0;
+      workAreaRect.top = 0;
+      workAreaRect.right = 1280;
+      workAreaRect.bottom = 1024 - 40; // default Windows 10 task bar height
+    }
+
+    origin.x = workAreaRect.left;
+    origin.y = workAreaRect.top;
+
+    size.width = workAreaRect.right - workAreaRect.left;
+    size.height = workAreaRect.bottom - workAreaRect.top;
+  }
+
+  void FitToWorkArea(Win32Window::Point& origin, Win32Window::Size& size)
+  {
+    // Retrieve the work area of the monitor that contains or
+    // is closed to the supplied window bounds.
+    Win32Window::Point workarea_origin = origin;
+    Win32Window::Size workarea_size = size;
+
+    GetWorkArea(workarea_origin, workarea_size);
+
+    // Translate the window so that its top/left is inside the work area.
+    origin.x = std::max(origin.x, workarea_origin.x);
+    origin.y = std::max(origin.y, workarea_origin.y);
+
+    // Crop the window if it extends past the bottom/right of the work area.
+    Win32Window::Point workarea_bottom_right(
+      workarea_origin.x + workarea_size.width,
+      workarea_origin.y + workarea_size.height);
+
+    size.width = std::min(size.width, workarea_bottom_right.x - origin.x);
+    size.height = std::min(size.height, workarea_bottom_right.y - origin.y);
+  }
+}
diff --git a/flutter/windows/runner/win32_desktop.h b/flutter/windows/runner/win32_desktop.h
new file mode 100644
index 000000000..3ed757fe0
--- /dev/null
+++ b/flutter/windows/runner/win32_desktop.h
@@ -0,0 +1,12 @@
+#ifndef RUNNER_WIN32_DESKTOP_H_
+#define RUNNER_WIN32_DESKTOP_H_
+
+#include "win32_window.h"
+
+namespace Win32Desktop
+{
+  void GetWorkArea(Win32Window::Point& origin, Win32Window::Size& size);
+  void FitToWorkArea(Win32Window::Point& origin, Win32Window::Size& size);
+}
+
+#endif  // RUNNER_WIN32_DESKTOP_H_
\ No newline at end of file