diff --git a/WindowBuilder/GUI.java b/WindowBuilder/GUI.java
new file mode 100644
index 0000000..6caeffc
--- /dev/null
+++ b/WindowBuilder/GUI.java
@@ -0,0 +1,56 @@
+// * this code was generated by Window Builder extension * //
+
+import javax.swing.*;
+import java.awt.*;
+
+
+public class GUI {
+  public static void main(String[] args) {
+    JFrame frame = new JFrame("Primary Window");
+    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+    frame.setSize(400, 400);
+    
+    JPanel panel = new JPanel(new GridBagLayout());
+    GridBagConstraints constraints = new GridBagConstraints();
+
+    // Fill the layout with placeholders
+    for (int row = 0; row < 12; row++) {
+        for (int col = 0; col < 12; col++) {
+            constraints.gridx = col;
+            constraints.gridy = row;
+            constraints.weightx = 1.0;
+            constraints.weighty = 1.0;
+            constraints.fill = GridBagConstraints.BOTH;
+
+            Component filler = Box.createRigidArea(new Dimension(0, 0));
+            panel.add(filler, constraints);
+        }
+    }
+
+    constraints.weightx = 0;
+    constraints.weighty = 0;
+    constraints.fill = GridBagConstraints.NONE;
+    constraints.anchor = GridBagConstraints.NORTHWEST;
+
+    
+    JLabel label_0 = new JLabel("If you see this window, then it is successful. ");
+    constraints.gridx = 1;
+    constraints.gridy = 2;
+    constraints.gridwidth = 1;
+    constraints.gridheight = 1;
+    panel.add(label_0, constraints);
+    
+    JButton button_0 = new JButton("Thank you");
+    button_0.setPreferredSize(new Dimension(98, 47));
+    
+    constraints.gridx = 8;
+    constraints.gridy = 9;
+    constraints.gridwidth = 2;
+    constraints.gridheight = 2;
+    panel.add(button_0, constraints);
+    
+    frame.add(panel);
+    frame.setVisible(true);
+  }
+}
+    
\ No newline at end of file