diff --git a/Gtk4/gtk161_core_voltage/CMakeLists.txt b/Gtk4/gtk161_core_voltage/CMakeLists.txt
new file mode 100644
index 0000000..150a67e
--- /dev/null
+++ b/Gtk4/gtk161_core_voltage/CMakeLists.txt
@@ -0,0 +1,75 @@
+set(CMAKE_CXX_STANDARD 17)
+cmake_minimum_required(VERSION 3.5.0)
+project(gtk161_core_voltage VERSION 1.0.0)
+
+list(APPEND CMAKE_MODULE_PATH ${PROJECT_SOURCE_DIR}/../../GCR_CMake/macros)
+include(GlibCompileResourcesSupport)
+
+include(CTest)
+enable_testing()
+
+set(CPACK_PROJECT_NAME ${PROJECT_NAME})
+set(CPACK_PROJECT_VERSION ${PROJECT_VERSION})
+
+include(CPack)
+include_directories(.)
+include_directories(..)
+
+#Find PkgConfig to use gtkmm3
+find_package (PkgConfig REQUIRED)
+pkg_check_modules (GTK REQUIRED gtk4)
+include_directories (${GTK_INCLUDE_DIRS})
+link_directories (${GTK_LIBRARY_DIRS})
+
+#Find Gettext
+# find_package (Gettext REQUIRED)
+# set(PO_DIR ${CMAKE_BINARY_DIR}/po/zh_CN/LC_MESSAGES)
+
+#Source files
+set(SOURCE_FILE src/main.cpp src/MainWin.cpp src/CoreVolt.cpp)
+
+#Compile Resource
+
+# set(RESOURCE_LIST
+#     title_style.css
+#     icons/scalable/status/win_close.svg
+#     icons/scalable/status/win_maximize.svg
+#     icons/scalable/status/win_minimize.svg)
+
+# compile_gresources(RESOURCE_FILE
+#                    XML_OUT
+#                    TYPE EMBED_C
+#                    RESOURCES ${RESOURCE_LIST}
+#                    PREFIX "/org/gtk/daleclack"
+#                    SOURCE_DIR ${PROJECT_SOURCE_DIR}/res)
+                   
+# Add a custom target to the makefile. Now make builds our resource file.
+# It depends on the output RESOURCE_FILE.
+
+# add_custom_target(resource ALL DEPENDS ${RESOURCE_FILE})
+
+#For win32 platform,use rc resource and .ico icon
+if(WIN32)
+	SET(CMAKE_RC_COMPILER windres)
+	set(app_WINRC ../icon.rc)
+	set_property(SOURCE ../icon.rc APPEND PROPERTY
+        OBJECT_DEPENDS ${PROJECT_SOURCE_DIR}/../icon.ico
+        )
+	add_executable(${PROJECT_NAME} WIN32 ${app_WINRC} ${SOURCE_FILE})
+    add_custom_command( TARGET ${PROJECT_NAME} 
+                        COMMAND echo * > ${CMAKE_BINARY_DIR}/.gitignore
+                        COMMAND echo **/* > ${CMAKE_BINARY_DIR}/.hgignore)
+else()
+	add_executable(${PROJECT_NAME} ${SOURCE_FILE})
+    add_custom_command( TARGET ${PROJECT_NAME}
+                        COMMAND echo \"*\" > ${CMAKE_BINARY_DIR}/.gitignore
+                        COMMAND echo \"**/*\" > ${CMAKE_BINARY_DIR}/.hgignore)   
+endif(WIN32)
+
+#Add command to generate .gitignore and .mo files
+# add_custom_command( TARGET ${PROJECT_NAME} 
+#                     COMMAND mkdir -p ${PO_DIR}
+#                     COMMAND ${GETTEXT_MSGFMT_EXECUTABLE} ${CMAKE_SOURCE_DIR}/po/zh_CN.po -o ${PO_DIR}/${PROJECT_NAME}.mo)
+
+SET (CMAKE_EXTRA_CXX_FLAGS ${GTK_CFLAGS_OTHER})
+target_link_libraries (${PROJECT_NAME} ${GTK_LIBRARIES} -lpthread)
diff --git a/Gtk4/gtk161_core_voltage/src/CoreVolt.cpp b/Gtk4/gtk161_core_voltage/src/CoreVolt.cpp
new file mode 100644
index 0000000..7d5a2cd
--- /dev/null
+++ b/Gtk4/gtk161_core_voltage/src/CoreVolt.cpp
@@ -0,0 +1,37 @@
+#include "CoreVolt.h"
+#include <cstdio>
+#include <cstdlib>
+
+static double voltage = 0.0;
+double get_core_voltage(char *current_voltage_str, char *max_voltage_str)
+{
+    double current_voltage = 0.0;
+    char buffer[10];
+
+    while (1)
+    {
+        // Open Pipe to get output
+        FILE *pipe = popen("echo \"scale=2; $(rdmsr 0x198 -u --bitfield 47:32)/8192\" | bc", "r");
+
+        // Check if Pipe is open
+        if (pipe)
+        {
+            // Read from Pipe
+            while (!feof(pipe))
+            {
+                fgets(buffer, sizeof(buffer) - 1, pipe);
+            }
+
+            // Update the max voltage
+            current_voltage = atof(buffer);
+            snprintf(current_voltage_str, sizeof(current_voltage_str) - 1, "%0.2fV", current_voltage);
+            if (current_voltage > voltage)
+            {
+                voltage = current_voltage;
+            }
+            snprintf(max_voltage_str, sizeof(max_voltage_str) - 1, "%0.2fV", voltage);
+        }
+        pclose(pipe);
+        return current_voltage;
+    }
+}
diff --git a/Gtk4/gtk161_core_voltage/src/CoreVolt.h b/Gtk4/gtk161_core_voltage/src/CoreVolt.h
new file mode 100644
index 0000000..9d1dc8e
--- /dev/null
+++ b/Gtk4/gtk161_core_voltage/src/CoreVolt.h
@@ -0,0 +1,4 @@
+#pragma once
+
+// Get Core Voltage by a command
+double get_core_voltage(char *current_voltage_str, char *max_voltage_str);
diff --git a/Gtk4/gtk161_core_voltage/src/MainWin.cpp b/Gtk4/gtk161_core_voltage/src/MainWin.cpp
new file mode 100644
index 0000000..6cfa259
--- /dev/null
+++ b/Gtk4/gtk161_core_voltage/src/MainWin.cpp
@@ -0,0 +1,56 @@
+#include "MainWin.h"
+#include "CoreVolt.h"
+
+struct _MainWin{
+    GtkApplicationWindow parent_instance;
+    GtkWidget *label_maxvolt, *label_currvolt, *label_info1, *label_info2;
+    GtkWidget *main_frame;
+    GtkWidget *volt_grid;
+};
+
+G_DEFINE_TYPE(MainWin, main_win, GTK_TYPE_APPLICATION_WINDOW)
+
+gboolean core_volt_func(gpointer data){
+    MainWin *self = Main_Win(data);
+    char max_volt[10], curr_volt[10];
+
+    // Update core voltage values to the labels
+    get_core_voltage(curr_volt, max_volt);
+    gtk_label_set_text(GTK_LABEL(self->label_maxvolt), max_volt);
+    gtk_label_set_text(GTK_LABEL(self->label_currvolt), curr_volt);
+
+    return TRUE;
+}
+
+static void main_win_init(MainWin *self){
+    GtkWindow *win = GTK_WINDOW(self);
+    // Initialize window properties
+    gtk_window_set_title(win, "Core Voltage Monitor");
+    gtk_window_set_default_size(win, 250, 200);
+    gtk_window_set_icon_name(win, "org.gtk.daleclack");
+
+    // Add widgets to window
+    self->volt_grid = gtk_grid_new();
+    self->main_frame = gtk_frame_new(NULL);
+    gtk_frame_set_label_widget(GTK_FRAME(self->main_frame), gtk_label_new("Core Voltage Information"));
+    gtk_widget_set_valign(GTK_WIDGET(self->main_frame), GTK_ALIGN_CENTER);
+    self->label_info1 = gtk_label_new("Max Core Voltage: ");
+    self->label_info2 = gtk_label_new("Current Core Voltage: ");
+    self->label_maxvolt = gtk_label_new("0.00 V");
+    self->label_currvolt = gtk_label_new("0.00 V");
+    gtk_grid_attach(GTK_GRID(self->volt_grid), self->label_info1, 0, 0, 1, 1);
+    gtk_grid_attach(GTK_GRID(self->volt_grid), self->label_maxvolt, 1, 0, 1, 1);
+    gtk_grid_attach(GTK_GRID(self->volt_grid), self->label_info2, 0, 1, 1, 1);
+    gtk_grid_attach(GTK_GRID(self->volt_grid), self->label_currvolt, 1, 1, 1, 1);
+    gtk_frame_set_child(GTK_FRAME(self->main_frame), self->volt_grid);
+    gtk_window_set_child(win, self->main_frame);
+    g_timeout_add(1000, core_volt_func, self);
+}
+
+static void main_win_class_init(MainWinClass *klass){
+}
+
+// Create a new MainWin
+MainWin *main_win_new(GtkApplication *app){
+    return Main_Win(g_object_new(MAIN_WIN_TYPE, "application", app, NULL));
+}
\ No newline at end of file
diff --git a/Gtk4/gtk161_core_voltage/src/MainWin.h b/Gtk4/gtk161_core_voltage/src/MainWin.h
new file mode 100644
index 0000000..ee7fc4b
--- /dev/null
+++ b/Gtk4/gtk161_core_voltage/src/MainWin.h
@@ -0,0 +1,11 @@
+#pragma once
+
+#include <gtk/gtk.h>
+
+G_DECLARE_FINAL_TYPE(MainWin, main_win, Main, Win, GtkApplicationWindow)
+
+// Returns the MainWin Type
+#define MAIN_WIN_TYPE (main_win_get_type())
+
+// Creates a new MainWin Object
+MainWin *main_win_new(GtkApplication *app);
diff --git a/Gtk4/gtk161_core_voltage/src/main.cpp b/Gtk4/gtk161_core_voltage/src/main.cpp
new file mode 100644
index 0000000..f9a0e56
--- /dev/null
+++ b/Gtk4/gtk161_core_voltage/src/main.cpp
@@ -0,0 +1,16 @@
+#include "MainWin.h"
+
+static void gtkmain(GtkApplication *app, gpointer user_data){
+    MainWin *mainwin = main_win_new(app);
+    gtk_window_present(GTK_WINDOW(mainwin));
+}
+
+int main(int argc, char **argv)
+{
+    // Create a GtkApplication instance
+    GtkApplication *app = gtk_application_new("org.gtk.daleclack", G_APPLICATION_NON_UNIQUE);
+    g_signal_connect(app, "activate", G_CALLBACK(gtkmain), NULL);
+    
+    // Run the application
+    return g_application_run(G_APPLICATION(app), argc, argv);
+}
\ No newline at end of file