diff --git a/pyproject.toml b/pyproject.toml
index b9e2577..a9e3c18 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -9,7 +9,12 @@ authors = [{ name = "Mr Finchum" }]
 description = "User interface for optima35."
 readme = "pip_README.md"
 requires-python = ">=3.8"
-dependencies = ["optima35>=1.0.0, <2.0.0", "pyside6", "PyYAML"]
+dependencies = [
+    "optima35>=1.0.0, <2.0.0",
+    "PyPyUpdater>=0.3.0, <1.0.0",
+    "pyside6",
+    "PyYAML",
+]
 classifiers = [
     "Programming Language :: Python :: 3",
     "License :: OSI Approved :: GNU Affero General Public License v3 or later (AGPLv3+)",
diff --git a/src/OptimaLab35/gui.py b/src/OptimaLab35/gui.py
index 1194845..e2d9384 100644
--- a/src/OptimaLab35/gui.py
+++ b/src/OptimaLab35/gui.py
@@ -2,10 +2,12 @@ import sys
 import os
 from datetime import datetime
 
+from PyPiUpdater import PyPiUpdater
 from optima35.core import OptimaManager
 from OptimaLab35.utils.utility import Utilities
 from OptimaLab35.ui.main_window import Ui_MainWindow
 from OptimaLab35.ui.preview_window import Ui_Preview_Window
+from OptimaLab35.ui.updater_window import Ui_Updater_Window
 from OptimaLab35.ui.exif_handler_window import ExifEditor
 from OptimaLab35.ui.simple_dialog import SimpleDialog  # Import the SimpleDialog class
 from OptimaLab35 import __version__
@@ -48,7 +50,7 @@ class OptimaLab35(QMainWindow, Ui_MainWindow):
         self.ui = Ui_MainWindow()
         self.ui.setupUi(self)
         self.sd = SimpleDialog()
-        self.preview_window = PreviewWindow()
+
         # Change UI elements
         self.change_statusbar(f"Using {self.o.name} v{self.o.version}", 5000)
         self.setWindowTitle(f"{self.name} v{self.version}")
@@ -76,6 +78,7 @@ class OptimaLab35(QMainWindow, Ui_MainWindow):
 
         self.ui.actionAbout.triggered.connect(self.info_window)
         self.ui.preview_Button.clicked.connect(self.open_preview_window)
+        self.ui.actionUpdate.triggered.connect(self.open_updater_window)
 
         regex = QRegularExpression(r"^\d{1,2}\.\d{1,6}$")
         validator = QRegularExpressionValidator(regex)
@@ -86,9 +89,14 @@ class OptimaLab35(QMainWindow, Ui_MainWindow):
 
     # UI related function, changing parts, open, etc.
     def open_preview_window(self):
+        self.preview_window = PreviewWindow()
         self.preview_window.values_selected.connect(self.update_values)
         self.preview_window.showMaximized()
 
+    def open_updater_window(self):
+        self.updater_window = UpdaterWindow(self.version, self.o.version)
+        self.updater_window.show()
+
     def update_values(self, value1, value2, checkbox_state):
         # Update main window's widgets with the received values
         # ChatGPT
@@ -454,6 +462,132 @@ class OptimaLab35(QMainWindow, Ui_MainWindow):
         elif do == "write":
             self.u.write_yaml(self.exif_file, self.available_exif_data)
 
+class UpdaterWindow(QMainWindow, Ui_Updater_Window):
+    # Mixture of code by me, code/functions refactored by ChatGPT and code directly from ChatGPT
+    def __init__(self, optimalab35_localversion, optima35_localversion):
+        super(UpdaterWindow, self).__init__()
+        self.ui = Ui_Updater_Window()
+        self.ui.setupUi(self)
+        from PyPiUpdater import PyPiUpdater
+        # Update log file location
+        self.update_log_file = os.path.expanduser("~/.config/OptimaLab35/update.log")
+        # Store local versions
+        self.optimalab35_localversion = optimalab35_localversion
+        self.optima35_localversion = optima35_localversion
+
+        # Create PyPiUpdater instances
+        self.ppu_ol35 = PyPiUpdater("OptimaLab35", self.optimalab35_localversion, self.update_log_file)
+        self.ppu_o35 = PyPiUpdater("optima35", self.optima35_localversion, self.update_log_file)
+
+        self.last_update = self.ppu_o35.last_update_date_string()
+
+        # Track which packages need an update
+        self.updates_available = {"OptimaLab35": False, "optima35": False}
+
+        self.define_gui_interaction()
+
+    def define_gui_interaction(self):
+        """Setup UI interactions."""
+        if self.optimalab35_localversion == "0.0.1":
+            self.dev_mode()
+            return
+        else:
+             self.ui.label_dev.setVisible(False)
+        self.ui.label_optimalab35_localversion.setText(self.optimalab35_localversion)
+        self.ui.label_optima35_localversion.setText(self.optima35_localversion)
+        self.ui.update_and_restart_Button.setEnabled(False)
+
+        # Connect buttons to functions
+        self.ui.check_for_update_Button.clicked.connect(self.check_for_updates)
+        self.ui.update_and_restart_Button.clicked.connect(self.update_and_restart)
+        self.ui.label_last_check_2.setText(self.last_update)
+
+    def dev_mode(self):
+        self.ui.update_and_restart_Button.setEnabled(False)
+        self.ui.check_for_update_Button.setEnabled(False)
+        self.ui.label_dev.setStyleSheet("QLabel { background-color : red; color : black; }")
+
+    def check_for_updates(self):
+        """Check for updates and update the UI."""
+        self.ui.check_for_update_Button.setEnabled(False)
+        self.ui.label_optimalab35_latestversion.setText("Checking...")
+        self.ui.label_optima35_latestversion.setText("Checking...")
+
+        # Check OptimaLab35 update
+        is_newer_ol35, latest_version_ol35 = self.ppu_ol35.check_for_update(True)
+        if is_newer_ol35 is None:
+            self.ui.label_optimalab35_latestversion.setText("Error")
+        else:
+            self.ui.label_optimalab35_latestversion.setText(latest_version_ol35)
+            self.updates_available["OptimaLab35"] = is_newer_ol35
+
+        # Check optima35 update
+        is_newer_o35, latest_version_o35 = self.ppu_o35.check_for_update(True)
+        if is_newer_o35 is None:
+            self.ui.label_optima35_latestversion.setText("Error")
+        else:
+            self.ui.label_optima35_latestversion.setText(latest_version_o35)
+            self.updates_available["optima35"] = is_newer_o35
+
+        # Enable update button if any update is available
+        if any(self.updates_available.values()):
+            self.ui.update_and_restart_Button.setEnabled(True)
+
+        self.ppu_o35.record_update_check()
+        self.ui.label_last_check_2.setText(self.ppu_o35.last_update_date_string())
+        self.ui.check_for_update_Button.setEnabled(True)
+
+    def update_and_restart(self):
+        """Update selected packages and restart the application."""
+        packages_to_update = [pkg for pkg, update in self.updates_available.items() if update]
+
+        if not packages_to_update:
+            QMessageBox.information(self, "Update", "No updates available.")
+            return
+
+        # Confirm update
+        msg = QMessageBox()
+        msg.setWindowTitle("Update Available")
+        msg.setText(f"Updating: {', '.join(packages_to_update)}\nRestart after update?")
+        msg.setStandardButtons(QMessageBox.Yes | QMessageBox.No)
+        result = msg.exec()
+
+        if result == QMessageBox.Yes:
+            update_results = []  # Store results
+
+            for package in packages_to_update:
+                if package == "OptimaLab35":
+                    success, message = self.ppu_ol35.update_package()
+                elif package == "optima35":
+                    success, message = self.ppu_o35.update_package()
+
+                update_results.append(f"{package}: {'✔ Success' if success else '❌ Failed'}\n{message}")
+
+            # Show summary of updates
+            # Show update completion message
+            msg = QMessageBox()
+            msg.setWindowTitle("Update Complete")
+            msg.setText("\n\n".join(update_results))
+            msg.setStandardButtons(QMessageBox.Ok)
+            msg.exec()
+
+            # Restart the application after user clicks "OK"
+            self.ppu_ol35.restart_program()
+
+    def restart_program(self):
+        """Restart the Python program after an update."""
+        print("Restarting the application...")
+
+        # Close all running Qt windows before restarting
+        app = QApplication.instance()
+        if app:
+            app.quit()
+
+        python = sys.executable
+        os.execl(python, python, *sys.argv)
+
+
+
 class PreviewWindow(QMainWindow, Ui_Preview_Window):
     values_selected = Signal(int, int, bool)
 
diff --git a/src/OptimaLab35/ui/main_window.py b/src/OptimaLab35/ui/main_window.py
index 5af0bc9..bca1e18 100644
--- a/src/OptimaLab35/ui/main_window.py
+++ b/src/OptimaLab35/ui/main_window.py
@@ -37,6 +37,8 @@ class Ui_MainWindow(object):
         self.actionPreview.setObjectName(u"actionPreview")
         self.actionAbout = QAction(MainWindow)
         self.actionAbout.setObjectName(u"actionAbout")
+        self.actionUpdate = QAction(MainWindow)
+        self.actionUpdate.setObjectName(u"actionUpdate")
         self.centralwidget = QWidget(MainWindow)
         self.centralwidget.setObjectName(u"centralwidget")
         self.gridLayout = QGridLayout(self.centralwidget)
@@ -555,10 +557,14 @@ class Ui_MainWindow(object):
         self.menuBar.setGeometry(QRect(0, 0, 440, 27))
         self.menuHelp = QMenu(self.menuBar)
         self.menuHelp.setObjectName(u"menuHelp")
+        self.menuSettings = QMenu(self.menuBar)
+        self.menuSettings.setObjectName(u"menuSettings")
         MainWindow.setMenuBar(self.menuBar)
 
+        self.menuBar.addAction(self.menuSettings.menuAction())
         self.menuBar.addAction(self.menuHelp.menuAction())
         self.menuHelp.addAction(self.actionAbout)
+        self.menuSettings.addAction(self.actionUpdate)
 
         self.retranslateUi(MainWindow)
         self.rename_checkbox.toggled.connect(self.filename.setEnabled)
@@ -596,6 +602,7 @@ class Ui_MainWindow(object):
         self.actionInfo.setText(QCoreApplication.translate("MainWindow", u"About", None))
         self.actionPreview.setText(QCoreApplication.translate("MainWindow", u"Preview image", None))
         self.actionAbout.setText(QCoreApplication.translate("MainWindow", u"About", None))
+        self.actionUpdate.setText(QCoreApplication.translate("MainWindow", u"Update", None))
         self.input_folder_button.setText(QCoreApplication.translate("MainWindow", u"Input", None))
         self.output_path.setText("")
         self.output_path.setPlaceholderText(QCoreApplication.translate("MainWindow", u"Output folder", None))
@@ -604,7 +611,7 @@ class Ui_MainWindow(object):
         self.output_folder_button.setText(QCoreApplication.translate("MainWindow", u"Output", None))
         self.groupBox.setTitle(QCoreApplication.translate("MainWindow", u"Essential group", None))
         self.quality_label_2.setText(QCoreApplication.translate("MainWindow", u"Quality", None))
-        self.label_11.setText(QCoreApplication.translate("MainWindow", u"Export Format", None))
+        self.label_11.setText(QCoreApplication.translate("MainWindow", u"Format     ", None))
         self.optimize_checkBox.setText(QCoreApplication.translate("MainWindow", u"optimize", None))
         self.quality_label_1.setText(QCoreApplication.translate("MainWindow", u"Quality", None))
 
@@ -658,5 +665,6 @@ class Ui_MainWindow(object):
         self.add_date_checkBox.setText(QCoreApplication.translate("MainWindow", u"add date", None))
         self.tabWidget.setTabText(self.tabWidget.indexOf(self.tab_2), QCoreApplication.translate("MainWindow", u"EXIF", None))
         self.menuHelp.setTitle(QCoreApplication.translate("MainWindow", u"Help", None))
+        self.menuSettings.setTitle(QCoreApplication.translate("MainWindow", u"Settings", None))
     # retranslateUi
 
diff --git a/src/OptimaLab35/ui/main_window.ui b/src/OptimaLab35/ui/main_window.ui
index 3779add..62acda5 100644
--- a/src/OptimaLab35/ui/main_window.ui
+++ b/src/OptimaLab35/ui/main_window.ui
@@ -142,7 +142,7 @@
            <item row="0" column="0">
             <widget class="QLabel" name="label_11">
              <property name="text">
-              <string>Export Format</string>
+              <string>Format     </string>
              </property>
             </widget>
            </item>
@@ -841,6 +841,13 @@
     </property>
     <addaction name="actionAbout"/>
    </widget>
+   <widget class="QMenu" name="menuSettings">
+    <property name="title">
+     <string>Settings</string>
+    </property>
+    <addaction name="actionUpdate"/>
+   </widget>
+   <addaction name="menuSettings"/>
    <addaction name="menuHelp"/>
   </widget>
   <action name="actionInfo">
@@ -858,6 +865,11 @@
     <string>About</string>
    </property>
   </action>
+  <action name="actionUpdate">
+   <property name="text">
+    <string>Update</string>
+   </property>
+  </action>
  </widget>
  <resources/>
  <connections>
diff --git a/src/OptimaLab35/ui/updater_window.py b/src/OptimaLab35/ui/updater_window.py
new file mode 100644
index 0000000..13a2eb4
--- /dev/null
+++ b/src/OptimaLab35/ui/updater_window.py
@@ -0,0 +1,147 @@
+# -*- coding: utf-8 -*-
+
+################################################################################
+## Form generated from reading UI file 'updater_window.ui'
+##
+## Created by: Qt User Interface Compiler version 6.8.1
+##
+## WARNING! All changes made in this file will be lost when recompiling UI file!
+################################################################################
+
+from PySide6.QtCore import (QCoreApplication, QDate, QDateTime, QLocale,
+    QMetaObject, QObject, QPoint, QRect,
+    QSize, QTime, QUrl, Qt)
+from PySide6.QtGui import (QBrush, QColor, QConicalGradient, QCursor,
+    QFont, QFontDatabase, QGradient, QIcon,
+    QImage, QKeySequence, QLinearGradient, QPainter,
+    QPalette, QPixmap, QRadialGradient, QTransform)
+from PySide6.QtWidgets import (QApplication, QGridLayout, QHBoxLayout, QLabel,
+    QMainWindow, QPushButton, QSizePolicy, QWidget)
+
+class Ui_Updater_Window(object):
+    def setupUi(self, Updater_Window):
+        if not Updater_Window.objectName():
+            Updater_Window.setObjectName(u"Updater_Window")
+        Updater_Window.setEnabled(True)
+        Updater_Window.resize(372, 224)
+        self.centralwidget = QWidget(Updater_Window)
+        self.centralwidget.setObjectName(u"centralwidget")
+        self.gridLayout_2 = QGridLayout(self.centralwidget)
+        self.gridLayout_2.setObjectName(u"gridLayout_2")
+        self.label_last_check = QLabel(self.centralwidget)
+        self.label_last_check.setObjectName(u"label_last_check")
+
+        self.gridLayout_2.addWidget(self.label_last_check, 0, 0, 1, 1)
+
+        self.label_last_check_2 = QLabel(self.centralwidget)
+        self.label_last_check_2.setObjectName(u"label_last_check_2")
+        self.label_last_check_2.setEnabled(True)
+
+        self.gridLayout_2.addWidget(self.label_last_check_2, 0, 1, 1, 1)
+
+        self.widget_2 = QWidget(self.centralwidget)
+        self.widget_2.setObjectName(u"widget_2")
+        self.gridLayout = QGridLayout(self.widget_2)
+        self.gridLayout.setObjectName(u"gridLayout")
+        self.label_6 = QLabel(self.widget_2)
+        self.label_6.setObjectName(u"label_6")
+        self.label_6.setAlignment(Qt.AlignRight|Qt.AlignTrailing|Qt.AlignVCenter)
+
+        self.gridLayout.addWidget(self.label_6, 0, 1, 1, 1)
+
+        self.label_optimalab35_latestversion = QLabel(self.widget_2)
+        self.label_optimalab35_latestversion.setObjectName(u"label_optimalab35_latestversion")
+        self.label_optimalab35_latestversion.setAlignment(Qt.AlignRight|Qt.AlignTrailing|Qt.AlignVCenter)
+
+        self.gridLayout.addWidget(self.label_optimalab35_latestversion, 1, 2, 1, 1)
+
+        self.label_2 = QLabel(self.widget_2)
+        self.label_2.setObjectName(u"label_2")
+
+        self.gridLayout.addWidget(self.label_2, 3, 0, 1, 1)
+
+        self.label_optima35_latestversion = QLabel(self.widget_2)
+        self.label_optima35_latestversion.setObjectName(u"label_optima35_latestversion")
+        self.label_optima35_latestversion.setAlignment(Qt.AlignRight|Qt.AlignTrailing|Qt.AlignVCenter)
+
+        self.gridLayout.addWidget(self.label_optima35_latestversion, 3, 2, 1, 1)
+
+        self.label_3 = QLabel(self.widget_2)
+        self.label_3.setObjectName(u"label_3")
+        self.label_3.setAlignment(Qt.AlignRight|Qt.AlignTrailing|Qt.AlignVCenter)
+
+        self.gridLayout.addWidget(self.label_3, 0, 2, 1, 1)
+
+        self.label = QLabel(self.widget_2)
+        self.label.setObjectName(u"label")
+
+        self.gridLayout.addWidget(self.label, 1, 0, 1, 1)
+
+        self.label_9 = QLabel(self.widget_2)
+        self.label_9.setObjectName(u"label_9")
+
+        self.gridLayout.addWidget(self.label_9, 0, 0, 1, 1)
+
+        self.label_optimalab35_localversion = QLabel(self.widget_2)
+        self.label_optimalab35_localversion.setObjectName(u"label_optimalab35_localversion")
+        self.label_optimalab35_localversion.setAlignment(Qt.AlignRight|Qt.AlignTrailing|Qt.AlignVCenter)
+
+        self.gridLayout.addWidget(self.label_optimalab35_localversion, 1, 1, 1, 1)
+
+        self.label_optima35_localversion = QLabel(self.widget_2)
+        self.label_optima35_localversion.setObjectName(u"label_optima35_localversion")
+        self.label_optima35_localversion.setAlignment(Qt.AlignRight|Qt.AlignTrailing|Qt.AlignVCenter)
+
+        self.gridLayout.addWidget(self.label_optima35_localversion, 3, 1, 1, 1)
+
+        self.label_dev = QLabel(self.widget_2)
+        self.label_dev.setObjectName(u"label_dev")
+        self.label_dev.setAlignment(Qt.AlignCenter)
+
+        self.gridLayout.addWidget(self.label_dev, 2, 0, 1, 3)
+
+
+        self.gridLayout_2.addWidget(self.widget_2, 1, 0, 1, 2)
+
+        self.widget = QWidget(self.centralwidget)
+        self.widget.setObjectName(u"widget")
+        self.horizontalLayout = QHBoxLayout(self.widget)
+        self.horizontalLayout.setObjectName(u"horizontalLayout")
+        self.check_for_update_Button = QPushButton(self.widget)
+        self.check_for_update_Button.setObjectName(u"check_for_update_Button")
+
+        self.horizontalLayout.addWidget(self.check_for_update_Button)
+
+        self.update_and_restart_Button = QPushButton(self.widget)
+        self.update_and_restart_Button.setObjectName(u"update_and_restart_Button")
+
+        self.horizontalLayout.addWidget(self.update_and_restart_Button)
+
+
+        self.gridLayout_2.addWidget(self.widget, 2, 0, 1, 2)
+
+        Updater_Window.setCentralWidget(self.centralwidget)
+
+        self.retranslateUi(Updater_Window)
+
+        QMetaObject.connectSlotsByName(Updater_Window)
+    # setupUi
+
+    def retranslateUi(self, Updater_Window):
+        Updater_Window.setWindowTitle(QCoreApplication.translate("Updater_Window", u"OptimaLab35 - Updater", None))
+        self.label_last_check.setText(QCoreApplication.translate("Updater_Window", u"Last update check ago:", None))
+        self.label_last_check_2.setText(QCoreApplication.translate("Updater_Window", u"TextLabel", None))
+        self.label_6.setText(QCoreApplication.translate("Updater_Window", u"Local Version", None))
+        self.label_optimalab35_latestversion.setText(QCoreApplication.translate("Updater_Window", u"unknown", None))
+        self.label_2.setText(QCoreApplication.translate("Updater_Window", u"optima35", None))
+        self.label_optima35_latestversion.setText(QCoreApplication.translate("Updater_Window", u"unknown", None))
+        self.label_3.setText(QCoreApplication.translate("Updater_Window", u"Latest version", None))
+        self.label.setText(QCoreApplication.translate("Updater_Window", u"OptimaLab35", None))
+        self.label_9.setText(QCoreApplication.translate("Updater_Window", u"Package", None))
+        self.label_optimalab35_localversion.setText(QCoreApplication.translate("Updater_Window", u"0.0.0", None))
+        self.label_optima35_localversion.setText(QCoreApplication.translate("Updater_Window", u"0.0.0", None))
+        self.label_dev.setText(QCoreApplication.translate("Updater_Window", u"Detected dev env. updater disabled", None))
+        self.check_for_update_Button.setText(QCoreApplication.translate("Updater_Window", u"Check for update", None))
+        self.update_and_restart_Button.setText(QCoreApplication.translate("Updater_Window", u"Update and restart", None))
+    # retranslateUi
+
diff --git a/src/OptimaLab35/ui/updater_window.ui b/src/OptimaLab35/ui/updater_window.ui
new file mode 100644
index 0000000..0e74e74
--- /dev/null
+++ b/src/OptimaLab35/ui/updater_window.ui
@@ -0,0 +1,160 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>Updater_Window</class>
+ <widget class="QMainWindow" name="Updater_Window">
+  <property name="enabled">
+   <bool>true</bool>
+  </property>
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>372</width>
+    <height>224</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>OptimaLab35 - Updater</string>
+  </property>
+  <widget class="QWidget" name="centralwidget">
+   <layout class="QGridLayout" name="gridLayout_2">
+    <item row="0" column="0">
+     <widget class="QLabel" name="label_last_check">
+      <property name="text">
+       <string>Last update check ago:</string>
+      </property>
+     </widget>
+    </item>
+    <item row="0" column="1">
+     <widget class="QLabel" name="label_last_check_2">
+      <property name="enabled">
+       <bool>true</bool>
+      </property>
+      <property name="text">
+       <string>TextLabel</string>
+      </property>
+     </widget>
+    </item>
+    <item row="1" column="0" colspan="2">
+     <widget class="QWidget" name="widget_2" native="true">
+      <layout class="QGridLayout" name="gridLayout">
+       <item row="0" column="1">
+        <widget class="QLabel" name="label_6">
+         <property name="text">
+          <string>Local Version</string>
+         </property>
+         <property name="alignment">
+          <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
+         </property>
+        </widget>
+       </item>
+       <item row="1" column="2">
+        <widget class="QLabel" name="label_optimalab35_latestversion">
+         <property name="text">
+          <string>unknown</string>
+         </property>
+         <property name="alignment">
+          <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
+         </property>
+        </widget>
+       </item>
+       <item row="3" column="0">
+        <widget class="QLabel" name="label_2">
+         <property name="text">
+          <string>optima35</string>
+         </property>
+        </widget>
+       </item>
+       <item row="3" column="2">
+        <widget class="QLabel" name="label_optima35_latestversion">
+         <property name="text">
+          <string>unknown</string>
+         </property>
+         <property name="alignment">
+          <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
+         </property>
+        </widget>
+       </item>
+       <item row="0" column="2">
+        <widget class="QLabel" name="label_3">
+         <property name="text">
+          <string>Latest version</string>
+         </property>
+         <property name="alignment">
+          <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
+         </property>
+        </widget>
+       </item>
+       <item row="1" column="0">
+        <widget class="QLabel" name="label">
+         <property name="text">
+          <string>OptimaLab35</string>
+         </property>
+        </widget>
+       </item>
+       <item row="0" column="0">
+        <widget class="QLabel" name="label_9">
+         <property name="text">
+          <string>Package</string>
+         </property>
+        </widget>
+       </item>
+       <item row="1" column="1">
+        <widget class="QLabel" name="label_optimalab35_localversion">
+         <property name="text">
+          <string>0.0.0</string>
+         </property>
+         <property name="alignment">
+          <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
+         </property>
+        </widget>
+       </item>
+       <item row="3" column="1">
+        <widget class="QLabel" name="label_optima35_localversion">
+         <property name="text">
+          <string>0.0.0</string>
+         </property>
+         <property name="alignment">
+          <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
+         </property>
+        </widget>
+       </item>
+       <item row="2" column="0" colspan="3">
+        <widget class="QLabel" name="label_dev">
+         <property name="text">
+          <string>Detected dev env. updater disabled</string>
+         </property>
+         <property name="alignment">
+          <set>Qt::AlignCenter</set>
+         </property>
+        </widget>
+       </item>
+      </layout>
+     </widget>
+    </item>
+    <item row="2" column="0" colspan="2">
+     <widget class="QWidget" name="widget" native="true">
+      <layout class="QHBoxLayout" name="horizontalLayout">
+       <item>
+        <widget class="QPushButton" name="check_for_update_Button">
+         <property name="text">
+          <string>Check for update</string>
+         </property>
+        </widget>
+       </item>
+       <item>
+        <widget class="QPushButton" name="update_and_restart_Button">
+         <property name="text">
+          <string>Update and restart</string>
+         </property>
+        </widget>
+       </item>
+      </layout>
+     </widget>
+    </item>
+   </layout>
+  </widget>
+ </widget>
+ <resources/>
+ <connections/>
+</ui>
diff --git a/src/OptimaLab35/update_ui.sh b/src/OptimaLab35/update_ui.sh
index d533d7a..95cda5f 100755
--- a/src/OptimaLab35/update_ui.sh
+++ b/src/OptimaLab35/update_ui.sh
@@ -4,3 +4,5 @@ echo "Update main window."
 pyside6-uic OptimaLab35/ui/main_window.ui -o OptimaLab35/ui/main_window.py
 echo "Update preview window."
 pyside6-uic OptimaLab35/ui/preview_window.ui -o OptimaLab35/ui/preview_window.py
+echo "Update updater window."
+pyside6-uic OptimaLab35/ui/updater_window.ui -o OptimaLab35/ui/updater_window.py
diff --git a/src/pyproject.toml b/src/pyproject.toml
index 0b86791..4e3097a 100644
--- a/src/pyproject.toml
+++ b/src/pyproject.toml
@@ -8,7 +8,7 @@ dynamic = ["version"]
 authors = [{ name = "Mr Finchum" }]
 description = "User interface for optima35."
 requires-python = ">=3.8"
-dependencies = ["optima35>=1.0.0, <2.0.0", "PyYAML"]
+dependencies = ["optima35>=1.0.0, <2.0.0", "PyYAML", "PyPyUpdater"]
 classifiers = [
     "Programming Language :: Python :: 3",
     "License :: OSI Approved :: GNU Affero General Public License v3 or later (AGPLv3+)",