diff --git a/Menu.py b/Menu.py
index 6df9d569..d2efd39d 100644
--- a/Menu.py
+++ b/Menu.py
@@ -96,6 +96,7 @@
 # Help menu identifiers
 ID_HELP = wx.ID_HELP
 ID_API_HELP = wx.NewIdRef()
+ID_UPDATE_PIP_PACKAGE = wx.NewIdRef()
 ID_CONTACT = wx.NewIdRef()
 ID_ABOUT = wx.ID_ABOUT
 
@@ -475,10 +476,12 @@ def __init__(self, parent):
 
 		helpModel = wx.MenuItem(self, ID_HELP, _('&DEVSimPy Help\tF1'), _("Help for DEVSimPy user"))
 		apiModel = wx.MenuItem(self, ID_API_HELP, _('&DEVSimPy API\tF2'), _("API for DEVSimPy user"))
+		updatePipPackage = wx.MenuItem(self, ID_UPDATE_PIP_PACKAGE, _('Update PIP Packages\tF3'), _("Update pip packages"))
 		contactModel = wx.MenuItem(self, ID_CONTACT, _('Contact the Author...'), _("Send mail to the author"))
 		aboutModel = wx.MenuItem(self, ID_ABOUT, _('About DEVSimPy...'), _("About DEVSimPy"))
 
 		helpModel.SetBitmap(wx.Bitmap(os.path.join(ICON_PATH,'search.png')))
+		updatePipPackage.SetBitmap(wx.Bitmap(os.path.join(ICON_PATH,'update.png')))
 		apiModel.SetBitmap(wx.Bitmap(os.path.join(ICON_PATH,'api.png')))
 		contactModel.SetBitmap(wx.Bitmap(os.path.join(ICON_PATH,'mail.png')))
 		aboutModel.SetBitmap(wx.Bitmap(os.path.join(ICON_PATH,'info.png')))
@@ -488,11 +491,14 @@ def __init__(self, parent):
 		AppendItem(helpModel)
 		AppendItem(apiModel)
 		self.AppendSeparator()
+		AppendItem(updatePipPackage)
+		self.AppendSeparator()
 		AppendItem(aboutModel)
 		AppendItem(contactModel)
 
 		parent.Bind(wx.EVT_MENU, parent.OnHelp, id=ID_HELP)
 		parent.Bind(wx.EVT_MENU, parent.OnAPI, id=ID_API_HELP)
+		parent.Bind(wx.EVT_MENU, parent.OnUpdatePiPPackage, id=ID_UPDATE_PIP_PACKAGE)
 		parent.Bind(wx.EVT_MENU, parent.OnAbout, id=ID_ABOUT)
 		parent.Bind(wx.EVT_MENU, parent.OnContact, id=ID_CONTACT)
 
diff --git a/PreferencesGUI.py b/PreferencesGUI.py
index 05b7e110..2bfb1c17 100644
--- a/PreferencesGUI.py
+++ b/PreferencesGUI.py
@@ -82,12 +82,18 @@ def __init__(self, parent):
 		self.nb_history_undo.SetRange(2, 100)
 		self.nb_history_undo.SetValue(NB_HISTORY_UNDO)
 
-		### CheckBox
+		### CheckBox for transparancy
 		self.cb1 = wx.CheckBox(self, wx.NewIdRef(), _('Transparency'))
 		if wx.VERSION_STRING >= '4.0': self.cb1.SetToolTipString = self.cb1.SetToolTip
 		self.cb1.SetToolTipString(_("Transparency for the detached frame of diagrams"))
 		self.cb1.SetValue(builtins.__dict__['TRANSPARENCY'])
 
+		### CheckBox for notification
+		self.cb11 = wx.CheckBox(self, wx.NewIdRef(), _('Notififcations'))
+		if wx.VERSION_STRING >= '4.0': self.cb11.SetToolTipString = self.cb11.SetToolTip
+		self.cb1.SetToolTipString(_("Enable the notification messages"))
+		self.cb11.SetValue(builtins.__dict__['NOTIFICATION'])
+
 		### wxPython version
 		wxv = [wx.VERSION_STRING]
 			
@@ -115,6 +121,7 @@ def __init__(self, parent):
 		vsizer.Add(self.out_dir, 1, wx.ALIGN_CENTER_VERTICAL|wx.EXPAND)
 		vsizer.Add(hsizer, 0, wx.ALIGN_CENTER_VERTICAL|wx.EXPAND)
 		vsizer.Add(self.cb1, 1, wx.ALIGN_CENTER_VERTICAL|wx.EXPAND)
+		vsizer.Add(self.cb11, 1, wx.ALIGN_CENTER_VERTICAL|wx.EXPAND)
 		box1.Add(vsizer, 1, wx.EXPAND)
 
 		### Set sizer
@@ -135,6 +142,7 @@ def OnApply(self, event):
 		self.OnPluginsDirChanged(event)
 		self.OnOutDirChanged(event)
 		self.OnTransparancyChanged(event)
+		self.OnNotificationChanged(event)
 		self.OnwxPythonVersionChanged(event)
 
 		### if the version of wx has been changed in OnwxPythonVersionChanged, we inform the user.
@@ -196,6 +204,10 @@ def OnOutDirChanged(self, event):
 	def OnTransparancyChanged(self, event):
 		builtins.__dict__['TRANSPARENCY'] = self.cb1.GetValue()
 
+		###
+	def OnNotificationChanged(self, event):
+		builtins.__dict__['NOTIFICATION'] = self.cb11.GetValue()
+
 	def OnwxPythonVersionChanged(self, event):
 		"""
 		"""
@@ -705,7 +717,7 @@ def __init__(self, parent, title):
 		hsizer = wx.BoxSizer(wx.HORIZONTAL)
 
 		hsizer.Add(self.cancel,0)
-		hsizer.Add(self.apply,0)
+		hsizer.Add(self.apply,0, wx.EXPAND|wx.LEFT, 5)
 		vsizer.Add(self.pref, 1, wx.ALL|wx.EXPAND, 5)
 		vsizer.Add(hsizer, 0, wx.ALIGN_RIGHT|wx.ALIGN_CENTER_VERTICAL|wx.ALL, 5)
 
diff --git a/Utilities.py b/Utilities.py
index 27b8908d..8179cd04 100644
--- a/Utilities.py
+++ b/Utilities.py
@@ -47,6 +47,8 @@
 import pip
 import importlib
 
+from subprocess import call
+
 # Used for smooth (spectrum)
 try:
 	from numpy import *
@@ -79,23 +81,24 @@ def printOnStatusBar(statusbar, data={}):
 		statusbar.SetStatusText(v, k)
 
 def NotificationMessage(title,message,parent,flag=wx.ICON_INFORMATION, timeout=False):
-	notify = wx.adv.NotificationMessage(
-	title=title,
-	message=message,
-	parent=parent, flags=flag)
-
-	# Various options can be set after the message is created if desired.
-	# notify.SetFlags(# wx.ICON_INFORMATION
-	#                 wx.ICON_WARNING
-	#                 # wx.ICON_ERROR
-	#                 )
-	# notify.SetTitle("Wooot")
-	# notify.SetMessage("It's a message!")
-	# notify.SetParent(self)
-	if timeout:
-		notify.Show(timeout=timeout) # 1 for short timeout, 100 for long timeout
-	else:
-		notify.Show()
+	if builtins.__dict__['NOTIFICATION']:
+		notify = wx.adv.NotificationMessage(
+		title=title,
+		message=message,
+		parent=parent, flags=flag)
+
+		# Various options can be set after the message is created if desired.
+		# notify.SetFlags(# wx.ICON_INFORMATION
+		#                 wx.ICON_WARNING
+		#                 # wx.ICON_ERROR
+		#                 )
+		# notify.SetTitle("Wooot")
+		# notify.SetMessage("It's a message!")
+		# notify.SetParent(self)
+		if timeout:
+			notify.Show(timeout=timeout) # 1 for short timeout, 100 for long timeout
+		else:
+			notify.Show()
 
 def now():
     """ Returns the current time formatted. """
@@ -151,6 +154,23 @@ def PyBuzyInfo(msg, time):
 
 	del busy
 
+def updatePiP():
+	call("python -m pip install --upgrade pip", shell=True)
+
+def updatePackageWithPiP():
+	""" Update all installed package using pip
+	"""
+
+	if pip.__version__ > '10.0.1':
+		import pkg_resources
+		packages = [dist.project_name for dist in pkg_resources.working_set if 'PyPubSub' not in dist.project_name]
+		call("pip install --upgrade -r requirements.txt", shell=True)
+	else:
+		packages = [dist.project_name for dist in pip.get_installed_distributions() if 'PyPubSub' not in dist.project_name]
+		call("pip install --upgrade " + ' '.join(packages), shell=True)
+
+	NotificationMessage(_('Information'), 'All pip packages have been updated!', None, timeout=5)
+
 def install_and_import(package):
     try:
         importlib.import_module(package)
diff --git a/devsimpy.py b/devsimpy.py
index 2f731931..a0dd7cf3 100644
--- a/devsimpy.py
+++ b/devsimpy.py
@@ -150,7 +150,8 @@
 				'DYNAMIC_STRUCTURE' : False, # Dynamic Structure for local PyPDEVS simulation
 				'REAL_TIME': False, ### PyPDEVS threaded real time simulation
 				'VERBOSE':False,
-				'TRANSPARENCY' : True, # Transparancy for DetachedFrame
+				'TRANSPARENCY' : True, # Transparancy for DetachedFrame activated
+				'NOTIFICATION' : True, # Notification message activated
 				'DEFAULT_PLOT_DYN_FREQ' : 100, # frequence of dynamic plot of QuickScope (to avoid overhead),
 				'DEFAULT_DEVS_DIRNAME':'PyDEVS', # default DEVS Kernel directory
 				'DEVS_DIR_PATH_DICT':{'PyDEVS':os.path.join(ABS_HOME_PATH,'DEVSKernel','PyDEVS'),
@@ -186,7 +187,7 @@
 from PreferencesGUI import PreferencesGUI
 from pluginmanager import load_plugins, enable_plugin
 from which import which
-from Utilities import GetUserConfigDir, install_and_import, printOnStatusBar, NotificationMessage
+from Utilities import GetUserConfigDir, install_and_import, printOnStatusBar, NotificationMessage, updatePackageWithPiP
 from Decorators import redirectStdout, BuzyCursorNotification
 from DetachedFrame import DetachedFrame
 from LibraryTree import LibraryTree
@@ -2008,6 +2009,11 @@ def OnAPI(self, event):
 		#webbrowser.open_new(opj(self.installDir + "/docs/api/index.html"))
 		wx.MessageBox(_("This option has not been implemented yet."), _('Info'), wx.OK|wx.ICON_INFORMATION)
 
+	def OnUpdatePiPPackage(self, event):
+		""" Update all pip package
+		"""
+		updatePackageWithPiP()
+
 	@BuzyCursorNotification
 	def OnAbout(self, event):
 		""" About menu has been pressed.
diff --git a/icons/update.png b/icons/update.png
new file mode 100644
index 00000000..2f18e972
Binary files /dev/null and b/icons/update.png differ