diff --git a/blackbox/blackbox.py b/blackbox/blackbox.py
index cb15288..2babb0a 100644
--- a/blackbox/blackbox.py
+++ b/blackbox/blackbox.py
@@ -1,5 +1,9 @@
 #!/bin/python
 
+import os
+import subprocess
+import queue
+from queue import Queue
 # UI modules
 from ui.GUI import GUI
 from ui.SplashScreen import SplashScreen
@@ -12,4 +16,35 @@ from ui.PackageListDialog import PackageListDialog
 from ui.ProgressDialog import ProgressDialog
 # from ui.ISOPackagesWindow import ISOPackagesWindow
 from ui.PackageSearchWindow import PackageSearchWindow
-from ui.PackagesImportDialog import PackagesImportDialog
\ No newline at end of file
+from ui.PackagesImportDialog import PackagesImportDialog
+
+import gi
+gi.require_version("Gtk", "3.0")
+from gi.repository import Gtk
+
+import Functions as fn
+
+base_dir = os.path.dirname(os.path.realpath(__file__))
+
+class Main(Gtk.Window): # Basic OOPS Concept
+    queue = Queue()
+    pkg_queue = Queue()
+    search_queue = Queue()
+    pacmanlog_queue = Queue()
+    pkg_holding_queue = Queue()
+
+    def __init__(self):
+        try:
+            super(Main, self).__init__(title="BlackBox")
+            self.set_border_width(10)
+            self.connect("delete-event", self.on_close)
+            self.set_position(Gtk.WindowPosition.CENTER) # DOCS : https://docs.gtk.org/gtk3/enum.WindowPosition.html
+            self.set_icon_from_file(os.path.join(base_dir, "images/blackbox.png"))
+            self.set_default_size(1280, 720) # Basic Con
+            # let's give a focus on search entry * set "ctrl + f"
+            self.connect("key-press-event", self.key_press_event)
+            self.timeout_id = None
+            self.display_version = False # Bool
+
+            self.search_activated = False
+