diff --git a/WebAssemblyViewer/BrowserOptions.cs b/WebAssemblyViewer/BrowserOptions.cs
index d82c508..5406ee1 100644
--- a/WebAssemblyViewer/BrowserOptions.cs
+++ b/WebAssemblyViewer/BrowserOptions.cs
@@ -17,6 +17,7 @@ public class BrowserOptions
         public bool TopMost { get; set; }
 
         public bool DisableF4 { get; set; }
+        public bool EnableF4Password { get; set; }
         public string DisableF4Password { get; set; }
 
         
diff --git a/WebAssemblyViewer/BrowserWindow.cs b/WebAssemblyViewer/BrowserWindow.cs
index 70ab6d2..9a47e9f 100644
--- a/WebAssemblyViewer/BrowserWindow.cs
+++ b/WebAssemblyViewer/BrowserWindow.cs
@@ -156,19 +156,23 @@ private void OnAcceleratorKeyPressedF4(object sender, AcceleratorKeyPressedEvent
             
             if (e.KeyVentType == KeyEventType.SystemKeyDown && e.VirtualKey == VirtualKeys.VK_F4)
             {
-                if (this._Options.DisableF4)
+                if (this._Options.DisableF4 )
                 {
-                    Diga.Core.Threading.UIDispatcher.UIThread.Post(() =>
+                    if (this._Options.EnableF4Password)
                     {
-                        DOMWindow win = this._Browser.GetDOMWindow();
-
-                        string val = win.prompt("Enter your Password!","");
-                        val = val.Replace("\"", "");
-                        if (val == this._Options.DisableF4Password)
+                        Diga.Core.Threading.UIDispatcher.UIThread.Post(() =>
                         {
-                            this.Close();
-                        }
-                    });
+                            DOMWindow win = this._Browser.GetDOMWindow();
+
+                            string val = win.prompt("Enter your Password!","");
+                            val = val.Replace("\"", "");
+                            if (val == this._Options.DisableF4Password)
+                            {
+                                this.Close();
+                            }
+                        });
+
+                    }
                     
 
                     e.Handled = true;    
diff --git a/WebAssemblyViewer/EditWindow.cs b/WebAssemblyViewer/EditWindow.cs
index 665c2e6..c0b7df2 100644
--- a/WebAssemblyViewer/EditWindow.cs
+++ b/WebAssemblyViewer/EditWindow.cs
@@ -16,6 +16,7 @@ class EditWindow : NativeWindow
         private NativeCheckBox _ChkTopMost;
         private NativeCheckBox _ChkMaximized;
         private NativeCheckBox _ChkDisableF4;
+        private NativeCheckBox _ChkEnableF4WithPw;
         private NativeTextBox _TxtDisableF4Password;
         private NativeTextBox _TxtMonitoringUlr;
         private NativeTextBox _TxtUserDataFolder;
@@ -55,6 +56,7 @@ private void ViewToOptions()
             this._Options.BrowserUserDataFolder = this._TxtUserDataFolder.Text;
             this._Options.BrowserExecutableFolder = this._TxtBrowserExecutable.Text;
             this._Options.DisableF4 = this._ChkDisableF4.Checked;
+            this._Options.EnableF4Password = this._ChkEnableF4WithPw.Checked;
             this._Options.DisableF4Password = this._TxtDisableF4Password.Text;
         }
 
@@ -74,6 +76,7 @@ private void OptionsToView()
             this._ChkTopMost.Checked = this._Options.TopMost;
             this._ChkMaximized.Checked = this._Options.Maximized;
             this._ChkDisableF4.Checked = this._Options.DisableF4;
+            this._ChkEnableF4WithPw.Checked = this._Options.EnableF4Password;
             this._TxtDisableF4Password.Text = this._Options.DisableF4Password;
         }
 
@@ -154,18 +157,28 @@ protected override void InitControls()
             this._ChkDisableF4 = new NativeCheckBox()
             {
                 Location = new Point(chkLeft, top),
-                Width = chkWidth,
+                Width = chkWidth ,
                 Height = textHeight,
                 Text = "Disable F4"
             };
 
             chkLeft += this._ChkDisableF4.Width + 10;
+
+            this._ChkEnableF4WithPw = new NativeCheckBox()
+            {
+                Location = new Point(chkLeft, top),
+                Width = chkWidth,
+                Height = textHeight,
+                Text = "PW Enable F4"
+            };
+            chkLeft += this._ChkEnableF4WithPw.Width + 10;
             this._TxtDisableF4Password = new NativeTextBox
             {
                 Location = new Point(chkLeft, top),
                 Width = chkWidth * 2,
                 Height = textHeight,
-                Text = ""    
+                Text = "",
+                
             };
             this._TxtDisableF4Password.Style |= EditBoxStyles.ES_PASSWORD | WindowStylesConst.WS_BORDER;
             
@@ -355,6 +368,7 @@ protected override void InitControls()
             this.Controls.Add(this._ChkTopMost);
             this.Controls.Add(this._ChkMaximized);
             this.Controls.Add(this._ChkDisableF4);
+            this.Controls.Add(this._ChkEnableF4WithPw);
             this.Controls.Add(this._TxtDisableF4Password);
             this.Controls.Add(lblTitle);
             this.Controls.Add(this._TxtTitle);
diff --git a/WebAssemblyViewer/WebAssemblyViewer.csproj b/WebAssemblyViewer/WebAssemblyViewer.csproj
index b7776ec..98f2845 100644
--- a/WebAssemblyViewer/WebAssemblyViewer.csproj
+++ b/WebAssemblyViewer/WebAssemblyViewer.csproj
@@ -7,8 +7,8 @@
     <ApplicationManifest>app.manifest</ApplicationManifest>
     <ApplicationIcon>App.ico</ApplicationIcon>
     <PlatformTarget>AnyCPU</PlatformTarget>
-    <AssemblyVersion>1.0.1.1</AssemblyVersion>
-    <FileVersion>1.0.1.1</FileVersion>
+    <AssemblyVersion>1.0.1.2</AssemblyVersion>
+    <FileVersion>1.0.1.2</FileVersion>
   </PropertyGroup>
 
   <PropertyGroup Condition="'$(Configuration)|$(TargetFramework)|$(Platform)'=='Debug|net5.0|AnyCPU'">