diff --git a/gui/core/json_settings.py b/gui/core/json_settings.py
index 8fa6826..ec784be 100644
--- a/gui/core/json_settings.py
+++ b/gui/core/json_settings.py
@@ -36,6 +36,7 @@ class Settings(object):
         super(Settings, self).__init__()
 
         # DICTIONARY WITH SETTINGS
+        # Just to have objects references
         self.items = {
             "app_name" : "",
             "custom_title_bar" : True,
@@ -45,7 +46,8 @@ class Settings(object):
                 "minimum" : 0,
                 "maximum" : 0
             },
-            "theme_name" : ""
+            "theme_name" : "",
+            "teste" : ""
         }
 
         # DESERIALIZE
diff --git a/gui/uis/windows/main_window/ui_main.py b/gui/uis/windows/main_window/ui_main.py
index 7b663cd..23157b8 100644
--- a/gui/uis/windows/main_window/ui_main.py
+++ b/gui/uis/windows/main_window/ui_main.py
@@ -80,6 +80,16 @@ class UI_MainWindow(object):
         self.left_menu_frame.setMinimumSize(self.settings["menu_size"]["minimum"], 0)
         self.left_menu_frame.setStyleSheet("background: red; border-radius: 8px;")
 
+        # LEFT MENU LAYOUT
+        self.left_menu_layout = QHBoxLayout(self.left_menu_frame)
+        self.left_menu_layout.setContentsMargins(0,0,0,0)
+
+        # ADD LEFT MENU
+        # Add custom left menu here
+        # ///////////////////////////////////////////////////////////////
+        self.left_menu = PyLeftMenu(self.left_menu_frame)
+        self.left_menu_layout.addWidget(self.left_menu)
+
         # ADD RIGHT WIDGETS
         # Add here the right widgets
         # ///////////////////////////////////////////////////////////////
@@ -89,7 +99,7 @@ class UI_MainWindow(object):
         # ADD RIGHT APP LAYOUT
         self.right_app_layout = QVBoxLayout(self.right_app_frame)
         self.right_app_layout.setContentsMargins(0,0,0,0)
-        self.right_app_layout.setSpacing(6)        
+        self.right_app_layout.setSpacing(6)
 
         # ADD TITLE BAR FRAME
         self.title_bar_frame = QFrame()
diff --git a/gui/widgets/__init__.py b/gui/widgets/__init__.py
index 4df82f7..5a5b27c 100644
--- a/gui/widgets/__init__.py
+++ b/gui/widgets/__init__.py
@@ -24,4 +24,8 @@ from . py_window import PyWindow
 
 # RESIZE GRIP
 # ///////////////////////////////////////////////////////////////
-from . py_grips import PyGrips
\ No newline at end of file
+from . py_grips import PyGrips
+
+# LEFT MENU
+# ///////////////////////////////////////////////////////////////
+from . py_left_menu import PyLeftMenu
\ No newline at end of file
diff --git a/gui/widgets/py_left_menu/__init__.py b/gui/widgets/py_left_menu/__init__.py
new file mode 100644
index 0000000..5c0ed6e
--- /dev/null
+++ b/gui/widgets/py_left_menu/__init__.py
@@ -0,0 +1,20 @@
+# ///////////////////////////////////////////////////////////////
+#
+# BY: WANDERSON M.PIMENTA
+# PROJECT MADE WITH: Qt Designer and PySide6
+# V: 1.0.0
+#
+# This project can be used freely for all uses, as long as they maintain the
+# respective credits only in the Python scripts, any information in the visual
+# interface (GUI) can be modified without any implication.
+#
+# There are limitations on Qt licenses if you want to use your products
+# commercially, I recommend reading them on the official website:
+# https://doc.qt.io/qtforpython/licenses.html
+#
+# ///////////////////////////////////////////////////////////////
+
+# PY LEFT MENU
+# Left menu bar
+# ///////////////////////////////////////////////////////////////
+from . py_left_menu import PyLeftMenu
\ No newline at end of file
diff --git a/gui/widgets/py_left_menu/py_left_menu.py b/gui/widgets/py_left_menu/py_left_menu.py
new file mode 100644
index 0000000..0baeeab
--- /dev/null
+++ b/gui/widgets/py_left_menu/py_left_menu.py
@@ -0,0 +1,78 @@
+# ///////////////////////////////////////////////////////////////
+#
+# BY: WANDERSON M.PIMENTA
+# PROJECT MADE WITH: Qt Designer and PySide6
+# V: 1.0.0
+#
+# This project can be used freely for all uses, as long as they maintain the
+# respective credits only in the Python scripts, any information in the visual
+# interface (GUI) can be modified without any implication.
+#
+# There are limitations on Qt licenses if you want to use your products
+# commercially, I recommend reading them on the official website:
+# https://doc.qt.io/qtforpython/licenses.html
+#
+# ///////////////////////////////////////////////////////////////
+
+# IMPORT PACKAGES AND MODULES
+# ///////////////////////////////////////////////////////////////
+import os
+
+# IMPORT QT CORE
+# ///////////////////////////////////////////////////////////////
+from qt_core import *
+
+# IMPORT SETTINGS
+# ///////////////////////////////////////////////////////////////
+from gui.core.json_settings import Settings
+
+# PY LEFT MENU
+# ///////////////////////////////////////////////////////////////
+class PyLeftMenu(QWidget):
+    def __init__(
+        self,
+        parent = None,
+        bg_color = "#1b1e23",
+        bg_color_app = "#2c313c",
+        icon_color = "#c3ccdf",
+        icon_color_hover = "#dce1ec",
+        icon_color_pressed = "#edf0f5",
+        icon_color_active = "#f5f6f9",
+        context_color = "#568af2"
+    ):
+        super(PyLeftMenu, self).__init__()
+
+        # SET PARENT
+        self.parent = parent
+
+        # SETUP WIDGETS
+        self.setup_ui()
+
+        self.button = QPushButton("teste")
+        self.button_2 = QPushButton("teste")
+        self.layout.addWidget(self.button)
+        self.layout.addWidget(self.button_2)
+
+        parent.setMinimumWidth(240)
+
+    # SET APP LAYOUT
+    def setup_ui(self):
+        # ADD MENU LAYOUT
+        self.left_menu_layout = QVBoxLayout(self)
+        self.left_menu_layout.setContentsMargins(0,0,0,0)
+
+        # ADD BG
+        self.bg = QFrame(self)
+        self.bg.setStyleSheet("background: #CCC")
+
+        # ADD LAYOUT
+        self.layout = QVBoxLayout(self.bg)
+        self.layout.setContentsMargins(0,0,0,0)        
+
+        # ADD BG TO LAYOUT
+        self.left_menu_layout.addWidget(self.bg)
+
+        
+
+        
+
diff --git a/gui/widgets/py_window/py_window.py b/gui/widgets/py_window/py_window.py
index 72c4dda..3948058 100644
--- a/gui/widgets/py_window/py_window.py
+++ b/gui/widgets/py_window/py_window.py
@@ -16,7 +16,6 @@
 
 # IMPORT PACKAGES AND MODULES
 # ///////////////////////////////////////////////////////////////
-import sys
 
 # IMPORT QT CORE
 # ///////////////////////////////////////////////////////////////