diff --git a/Flow.Launcher.Infrastructure/UserSettings/Settings.cs b/Flow.Launcher.Infrastructure/UserSettings/Settings.cs
index 0b2b042d4..9f8e51047 100644
--- a/Flow.Launcher.Infrastructure/UserSettings/Settings.cs
+++ b/Flow.Launcher.Infrastructure/UserSettings/Settings.cs
@@ -191,6 +191,7 @@ namespace Flow.Launcher.Infrastructure.UserSettings
         public int MaxHistoryResultsToShowForHomePage { get; set; } = 5;
 
         public bool AutoRestartAfterChanging { get; set; } = false;
+        public bool ShowUnknownSourceWarning { get; set; } = true;
 
         public int CustomExplorerIndex { get; set; } = 0;
 
diff --git a/Flow.Launcher/Languages/en.xaml b/Flow.Launcher/Languages/en.xaml
index 7f00926f1..2b42b8f84 100644
--- a/Flow.Launcher/Languages/en.xaml
+++ b/Flow.Launcher/Languages/en.xaml
@@ -133,6 +133,8 @@
     <system:String x:Key="homeToggleBoxToolTip">This can only be edited if plugin supports Home feature and Home Page is enabled.</system:String>
     <system:String x:Key="autoRestartAfterChanging">Automatically restart after changing plugins</system:String>
     <system:String x:Key="autoRestartAfterChangingToolTip">Automatically restart Flow Launcher after installing/uninstalling/updating plugins</system:String>
+    <system:String x:Key="showUnknownSourceWarning">Show unknown source warning</system:String>
+    <system:String x:Key="showUnknownSourceWarningToolTip">Show warning when installing plugins from unknown sources</system:String>
 
     <!--  Setting Plugin  -->
     <system:String x:Key="searchplugin">Search Plugin</system:String>
diff --git a/Flow.Launcher/SettingPages/Views/SettingsPaneGeneral.xaml b/Flow.Launcher/SettingPages/Views/SettingsPaneGeneral.xaml
index 452e026d7..1966c4c0d 100644
--- a/Flow.Launcher/SettingPages/Views/SettingsPaneGeneral.xaml
+++ b/Flow.Launcher/SettingPages/Views/SettingsPaneGeneral.xaml
@@ -202,16 +202,27 @@
                 </cc:Card>
             </cc:CardGroup>
 
-            <cc:Card
-                Title="{DynamicResource autoRestartAfterChanging}"
-                Margin="0 14 0 0"
-                Icon="&#xF83E;"
-                Sub="{DynamicResource autoRestartAfterChangingToolTip}">
-                <ui:ToggleSwitch
-                    IsOn="{Binding Settings.AutoRestartAfterChanging}"
-                    OffContent="{DynamicResource disable}"
-                    OnContent="{DynamicResource enable}" />
-            </cc:Card>
+            <cc:CardGroup Margin="0 14 0 0">
+                <cc:Card
+                    Title="{DynamicResource autoRestartAfterChanging}"
+                    Icon="&#xF83E;"
+                    Sub="{DynamicResource autoRestartAfterChangingToolTip}">
+                    <ui:ToggleSwitch
+                        IsOn="{Binding Settings.AutoRestartAfterChanging}"
+                        OffContent="{DynamicResource disable}"
+                        OnContent="{DynamicResource enable}" />
+                </cc:Card>
+
+                <cc:Card
+                    Title="{DynamicResource showUnknownSourceWarning}"
+                    Icon="&#xE7BA;"
+                    Sub="{DynamicResource showUnknownSourceWarningToolTip}">
+                    <ui:ToggleSwitch
+                        IsOn="{Binding Settings.ShowUnknownSourceWarning}"
+                        OffContent="{DynamicResource disable}"
+                        OnContent="{DynamicResource enable}" />
+                </cc:Card>
+            </cc:CardGroup>
 
             <cc:ExCard
                 Title="{DynamicResource searchDelay}"