diff --git a/App.cpp b/App.cpp
index 5408402..ff01bf2 100644
--- a/App.cpp
+++ b/App.cpp
@@ -10,6 +10,7 @@
 enum { IDM_SHOWHIDE = 1, IDM_STARTUP = 2, IDM_ABOUT = 3, IDM_EXIT = 4 };
 static const UINT WM_TRAY_CALLBACK = WM_APP + 1;
 static const UINT TRAY_ICON_ID = 1;
+static const int  HOTKEY_TOGGLE = 1;    // global Win+Alt+C -> show/hide
 
 UINT g_wmTaskbarCreated = 0;
 static TrayIcon g_tray;
@@ -26,6 +27,9 @@ static LRESULT CALLBACK OwnerWndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM
         return 0;
     }
     switch (msg) {
+    case WM_HOTKEY:
+        if (wParam == HOTKEY_TOGGLE) ToggleCalculator();
+        return 0;
     case WM_TRAY_CALLBACK:
         if (LOWORD(lParam) == WM_LBUTTONUP) {
             ToggleCalculator();
@@ -54,6 +58,7 @@ static LRESULT CALLBACK OwnerWndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM
         }
         return 0;
     case WM_DESTROY:
+        UnregisterHotKey(hWnd, HOTKEY_TOGGLE);
         g_tray.Remove();
         PostQuitMessage(0);
         return 0;
@@ -91,6 +96,12 @@ int WINAPI wWinMain(HINSTANCE hInst, HINSTANCE, LPWSTR, int)
 
     g_tray.Add(owner, WM_TRAY_CALLBACK, TRAY_ICON_ID, L"Taskbar Calculator");
 
+    // Global hotkey Win+Alt+C toggles the calculator, exactly like the tray
+    // click. MOD_NOREPEAT avoids repeated toggles while the keys stay held.
+    // If the combination is already taken by another app the call just fails
+    // silently and the tray click still works.
+    RegisterHotKey(owner, HOTKEY_TOGGLE, MOD_WIN | MOD_ALT | MOD_NOREPEAT, 'C');
+
     g_calc = new CCalculatorWindow();
     g_calc->CreateStandalone();
     if (Settings::LoadVisible(true))    // first run (no saved value): visible
diff --git a/BuildCounter.txt b/BuildCounter.txt
index 7f8f011..f599e28 100644
--- a/BuildCounter.txt
+++ b/BuildCounter.txt
@@ -1 +1 @@
-7
+10
diff --git a/targetver.h b/targetver.h
index 11730d5..2a308bf 100644
--- a/targetver.h
+++ b/targetver.h
@@ -1,26 +1,18 @@
 
 #pragma once
 
-// The following macros define the minimum required platform.  The minimum required platform
-// is the earliest version of Windows, Internet Explorer etc. that has the necessary features to run 
-// your application.  The macros work by enabling all features available on platform versions up to and 
-// including the version specified.
+// The following macros define the minimum required platform. This app is a
+// Windows 11 system-tray calculator, so we target Windows 10/11 (0x0A00) and
+// let all modern APIs (e.g. MOD_NOREPEAT for RegisterHotKey) light up.
 
-// Modify the following defines if you have to target a platform prior to the ones specified below.
-// Refer to MSDN for the latest info on corresponding values for different platforms.
-#ifndef WINVER                          // Specifies that the minimum required platform is Windows Vista.
-#define WINVER 0x0600           // Change this to the appropriate value to target other versions of Windows.
+#ifndef WINVER                          // Windows 10 / 11
+#define WINVER 0x0A00
 #endif
 
-#ifndef _WIN32_WINNT            // Specifies that the minimum required platform is Windows Vista.
-#define _WIN32_WINNT 0x0600     // Change this to the appropriate value to target other versions of Windows.
+#ifndef _WIN32_WINNT                    // Windows 10 / 11
+#define _WIN32_WINNT 0x0A00
 #endif
 
-#ifndef _WIN32_WINDOWS          // Specifies that the minimum required platform is Windows 98.
-#define _WIN32_WINDOWS 0x0410 // Change this to the appropriate value to target Windows Me or later.
+#ifndef _WIN32_IE                       // Internet Explorer 11
+#define _WIN32_IE 0x0A00
 #endif
-
-#ifndef _WIN32_IE                       // Specifies that the minimum required platform is Internet Explorer 7.0.
-#define _WIN32_IE 0x0700        // Change this to the appropriate value to target other versions of IE.
-#endif
-
diff --git a/version.h b/version.h
index 82b8edc..cc450b7 100644
--- a/version.h
+++ b/version.h
@@ -3,7 +3,7 @@
 // Semantic version — edit these by hand (NOT in the VS resource editor).
 #define VER_MAJOR 3
 #define VER_MINOR 0
-#define VER_BUILD 1
+#define VER_BUILD 2
 
 // Per-build counter. version_build.h is regenerated on every build by the
 // IncrementBuildCounter MSBuild target (BeforeTargets="ResourceCompile"), so it