diff --git a/.gitignore b/.gitignore
index 8982346..9d3dc56 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
 *.swp
 __pycache__
 .spyproject
+concordenv
\ No newline at end of file
diff --git a/gui_handler.py b/gui_handler.py
index 633f866..93c8f4c 100644
--- a/gui_handler.py
+++ b/gui_handler.py
@@ -1,2 +1,8 @@
-# -*- coding: utf-8 -*-
+from PySide6 import QtCore, QtWidgets
 
+class MainWindow(QtWidgets.QWidget):
+    def __init__(self):
+        super().__init__()
+        self.text = QtWidgets.QLabel("Hello World", alignment=QtCore.Qt.AlignCenter)
+        self.layout = QtWidgets.QVBoxLayout(self)
+        self.layout.addWidget(self.text)
diff --git a/main.py b/main.py
index 31941b1..10dbb78 100644
--- a/main.py
+++ b/main.py
@@ -1,8 +1,9 @@
 #!/usr/bin/python3
 import os
-import tkinter as tk
-from tkinter import ttk
+import sys
 import gui_helper
+import gui_handler
+from PySide6 import QtWidgets
 from config import Config
 
 ################################################################################
@@ -10,9 +11,9 @@ from config import Config
 ################################################################################
 
 default_configuration = {
-    "window geometry": "640x480"
+    "window geometry": (800, 600)
 }
-configuration_file_path = os.path.join(os.path.expanduser("~"), "some_ide_config.json")
+configuration_file_path = os.path.join(os.path.expanduser("~"), "concorde_ide_config.json")
 
 ################################################################################
 # PROGRAM STARTUP
@@ -24,21 +25,9 @@ configuration = Config(configuration_file_path, default_configuration)
 # PROGRAM MAIN WINDOW
 ################################################################################
 
-main_window = tk.Tk()
-main_window.title("IDE")
-main_window.geometry(configuration.get_configuration_value("window geometry"))
+app = QtWidgets.QApplication([])
+main_window = gui_handler.MainWindow()
+main_window.resize(800, 600)
+main_window.show()
 
-menubar = None
-def rebuild_menu(structure_dict):
-    menubar = tk.Menu(main_window)
-    gui_helper.build_menu(structure_dict, menubar)
-    main_window.config(menu=menubar)
-
-rebuild_menu(gui_helper.menu_structure)
-
-def handle_exit():
-    configuration.set_configuration_value("window geometry", main_window.geometry())
-    main_window.destroy()
-
-main_window.protocol("WM_DELETE_WINDOW", handle_exit)
-main_window.mainloop()
+sys.exit(app.exec())
\ No newline at end of file