diff --git a/Mainspring/CMakeLists.txt b/Mainspring/CMakeLists.txt
index 179a8a3..b099d42 100644
--- a/Mainspring/CMakeLists.txt
+++ b/Mainspring/CMakeLists.txt
@@ -1,5 +1,5 @@
 # Mainspring app CMakeLists.txt
-add_executable(Mainspring WIN32 "src/main.cpp" "src/pch.h")
+add_executable(Mainspring WIN32 "src/main.cpp" "src/pch.h" "src/Application.h" "src/Application.cpp" "resource.rc" "src/resources.h")
 
 set_property(TARGET Mainspring PROPERTY CXX_STANDARD 20)
 
@@ -12,6 +12,6 @@ endif()
 target_precompile_headers(Mainspring PUBLIC "src/pch.h")
 
 find_package(Git)
-execute_process(COMMAND ${GIT_EXECUTABLE} describe OUTPUT_VARIABLE MAINSPRING_VERSION OUTPUT_STRIP_TRAILING_WHITESPACE)
+execute_process(COMMAND ${GIT_EXECUTABLE} describe OUTPUT_VARIABLE APPVERSION OUTPUT_STRIP_TRAILING_WHITESPACE)
 configure_file(src/version.h.in version.h)
 target_include_directories(Mainspring PUBLIC "${PROJECT_BINARY_DIR}/Mainspring")
\ No newline at end of file
diff --git a/Mainspring/resource.rc b/Mainspring/resource.rc
new file mode 100644
index 0000000..66e41e6
--- /dev/null
+++ b/Mainspring/resource.rc
@@ -0,0 +1,9 @@
+// Mainspring resource script
+#include "windows.h"
+#include "src/resources.h"
+
+IDD_DIALOGMAIN DIALOGEX 0, 0, 150, 75
+STYLE WS_CAPTION | WS_SYSMENU | WS_MINIMIZEBOX | WS_POPUP
+BEGIN
+
+END
diff --git a/Mainspring/src/Application.cpp b/Mainspring/src/Application.cpp
new file mode 100644
index 0000000..2c344ca
--- /dev/null
+++ b/Mainspring/src/Application.cpp
@@ -0,0 +1,53 @@
+// Application class implementation
+#include "pch.h"
+#include "Application.h"
+#include "resources.h"
+
+// Enable visual styles
+#pragma comment(linker, "\"/manifestdependency:type='win32' \
+name='Microsoft.Windows.Common-Controls' version='6.0.0.0' \
+processorArchitecture='*' publicKeyToken='6595b64144ccf1df' language='*'\"")
+
+namespace mainspring {
+    Application::Application(const char* appName, const char* appVersion)
+        : m_appName(appName)
+        , m_appVersion(appVersion)
+    {
+        std::cout << std::format("{} {}\n", m_appName, m_appVersion);
+    }
+
+    void Application::run() {
+        DialogBoxParam(nullptr, MAKEINTRESOURCE(IDD_DIALOGMAIN), nullptr, reinterpret_cast<DLGPROC>(mainDlgProc), reinterpret_cast<LPARAM>(this));
+    }
+
+    BOOL CALLBACK Application::mainDlgProc(HWND dlg, UINT msg, WPARAM wParam, LPARAM lParam) {
+        static Application* app = nullptr;
+
+        switch (msg) {
+            case WM_INITDIALOG: {
+                app = reinterpret_cast<Application*>(lParam);
+
+                SetWindowText(dlg, app->m_appName);
+
+                POINT cursor = {};
+                GetCursorPos(&cursor);
+                MONITORINFO mi = {};
+                mi.cbSize = sizeof(mi);
+                GetMonitorInfo(MonitorFromPoint(cursor, MONITOR_DEFAULTTONEAREST), &mi);
+                SetWindowPos(dlg, nullptr, mi.rcMonitor.left + 100, mi.rcMonitor.top + 100, 0, 0, SWP_NOZORDER | SWP_NOSIZE);
+
+                return TRUE;
+            }
+
+            case WM_CLOSE:
+                EndDialog(dlg, 0);
+                return TRUE;
+        }
+
+        return FALSE;
+    }
+
+    Application::~Application() {
+
+    }
+}
\ No newline at end of file
diff --git a/Mainspring/src/Application.h b/Mainspring/src/Application.h
new file mode 100644
index 0000000..6da9a98
--- /dev/null
+++ b/Mainspring/src/Application.h
@@ -0,0 +1,17 @@
+// Application class header
+
+namespace mainspring {
+    class Application {
+    public:
+        Application(const char* appName, const char* appVersion);
+
+        void run();
+
+        ~Application();
+    private:
+        static BOOL CALLBACK mainDlgProc(HWND dlg, UINT msg, WPARAM wParam, LPARAM lParam);
+
+        const char* m_appName;
+        const char* m_appVersion;
+    };
+}
\ No newline at end of file
diff --git a/Mainspring/src/main.cpp b/Mainspring/src/main.cpp
index 2d8fd62..49a5882 100644
--- a/Mainspring/src/main.cpp
+++ b/Mainspring/src/main.cpp
@@ -2,15 +2,16 @@
 #include "pch.h"
 
 #include "version.h"
+#include "Application.h"
 
-// Enable visual styles
-#pragma comment(linker, "\"/manifestdependency:type='win32' \
-name='Microsoft.Windows.Common-Controls' version='6.0.0.0' \
-processorArchitecture='*' publicKeyToken='6595b64144ccf1df' language='*'\"")
+#define APPNAME "Mainspring"
 
 int main(int argc, char* argv[]) {
-    std::cout << std::format("Mainspring {}\n", MAINSPRING_VERSION);
 
-    std::cin.get();
+    {
+        mainspring::Application app(APPNAME, APPVERSION);
+        app.run();
+    }
+
     return EXIT_SUCCESS;
 }
\ No newline at end of file
diff --git a/Mainspring/src/resources.h b/Mainspring/src/resources.h
new file mode 100644
index 0000000..07ffcd0
--- /dev/null
+++ b/Mainspring/src/resources.h
@@ -0,0 +1,2 @@
+// Win32 resources
+#define IDD_DIALOGMAIN 101
diff --git a/Mainspring/src/version.h.in b/Mainspring/src/version.h.in
index e95c487..cea0631 100644
--- a/Mainspring/src/version.h.in
+++ b/Mainspring/src/version.h.in
@@ -1,2 +1,2 @@
 // Version configured header file
-#define MAINSPRING_VERSION "@MAINSPRING_VERSION@"
\ No newline at end of file
+#define APPVERSION "@APPVERSION@"
\ No newline at end of file