diff --git a/PySimpleGUI.py b/PySimpleGUI.py
index 3f3af366..e4b6b12c 100644
--- a/PySimpleGUI.py
+++ b/PySimpleGUI.py
@@ -1,5 +1,5 @@
 #!/usr/bin/python3
-version = __version__ = "4.5.0.17 Unreleased Mac Buttons. Element Resizing"
+version = __version__ = "4.5.0.18 Unreleased Mac Buttons. Element Resizing. Screen Size"
 
 
 #  888888ba           .d88888b  oo                     dP           .88888.  dP     dP dP
@@ -5206,6 +5206,14 @@ class Window:
         self.NumOpenWindows -= 1 * (self.NumOpenWindows != 0)  # decrement if not 0
         # print('----- DECREMENTING Num Open Windows = {} ---'.format(Window.NumOpenWindows))
 
+    @classmethod
+    def get_screen_size(self):
+        root = tk.Tk()
+        screen_width = root.winfo_screenwidth()  # get window info to move to middle of screen
+        screen_height = root.winfo_screenheight()
+        root.destroy()
+        return screen_width, screen_height
+
     # ------------------------- Add ONE Row to Form ------------------------- #
     def AddRow(self, *args):
         """