diff --git a/src/SmartCommander/Models/OptionsModel.cs b/src/SmartCommander/Models/OptionsModel.cs
index 78b346a..379a808 100644
--- a/src/SmartCommander/Models/OptionsModel.cs
+++ b/src/SmartCommander/Models/OptionsModel.cs
@@ -1,4 +1,6 @@
 using Newtonsoft.Json;
+using System.Collections.Generic;
+using System.Collections.ObjectModel;
 using System.IO;
 using static System.Environment;
 
@@ -56,5 +58,6 @@ static OptionsModel()
         public bool AllowOnlyOneInstance { get; set; } = true;
         public string Language { get; set; } = "en-US";
 
+        public List<string> ListerPlugins { get; set; }= new List<string>();
     }
 }
diff --git a/src/SmartCommander/Plugins/PluginManager.cs b/src/SmartCommander/Plugins/PluginManager.cs
index 18313a1..f884a1f 100644
--- a/src/SmartCommander/Plugins/PluginManager.cs
+++ b/src/SmartCommander/Plugins/PluginManager.cs
@@ -4,11 +4,9 @@ namespace SmartCommander.Plugins;
 
 public static class PluginManager
 {
-    public static ListerPluginWrapper CreateListerWrapper()
+    public static ListerPluginWrapper CreateListerWrapper(string Filename)
     {
-        //string pluginPath = "C:\\totalcmd\\plugins\\CodeViewer\\CodeViewer.wlx64";
-        string pluginPath = "C:\\totalcmd\\plugins\\wlx\\CodeViewer\\CodeViewer.wlx64";
-        return new ListerPluginWrapper(pluginPath);
+        return new ListerPluginWrapper(Filename);
     }
 
     public static IntPtr CreateListerWindow(this ListerPluginWrapper listerWrapper, IntPtr parentWindowHandle, string fileToLoad)
diff --git a/src/SmartCommander/ViewModels/OptionsViewModel.cs b/src/SmartCommander/ViewModels/OptionsViewModel.cs
index 890e9b6..84aebf0 100644
--- a/src/SmartCommander/ViewModels/OptionsViewModel.cs
+++ b/src/SmartCommander/ViewModels/OptionsViewModel.cs
@@ -1,4 +1,8 @@
-using Avalonia.Controls;
+using Avalonia;
+using Avalonia.Controls;
+using Avalonia.Controls.ApplicationLifetimes;
+using Avalonia.Platform.Storage;
+using AvaloniaEdit.Utils;
 using ReactiveUI;
 using SmartCommander.Assets;
 using SmartCommander.Models;
@@ -18,6 +22,15 @@ public class OptionsViewModel : ViewModelBase
 
         public CultureInfo SelectedCulture { get; set; }
 
+
+        public ObservableCollection<string> ListerPlugins { get; set; } = new();
+        private string _selectedPlugin = string.Empty;
+        public string SelectedPlugin
+        {
+            get => _selectedPlugin;
+            set => this.RaiseAndSetIfChanged(ref _selectedPlugin, value);
+        }
+
         private static IEnumerable<CultureInfo> GetAvailableCultures()
         {
             List<CultureInfo> result = new List<CultureInfo>();
@@ -26,14 +39,15 @@ private static IEnumerable<CultureInfo> GetAvailableCultures()
 
             foreach (CultureInfo culture in cultures)
             {
-                    if (culture.Equals(CultureInfo.InvariantCulture)) {
-                        result.Add(new CultureInfo("en-US"));
-                        continue;
-                    }
-
-                    ResourceSet? rs = rm?.GetResourceSet(culture, true, false);
-                    if (rs != null)
-                        result.Add(culture);
+                if (culture.Equals(CultureInfo.InvariantCulture))
+                {
+                    result.Add(new CultureInfo("en-US"));
+                    continue;
+                }
+
+                ResourceSet? rs = rm?.GetResourceSet(culture, true, false);
+                if (rs != null)
+                    result.Add(culture);
             }
             return result;
         }
@@ -42,7 +56,7 @@ public OptionsViewModel()
         {
             OKCommand = ReactiveCommand.Create<Window>(SaveClose);
             CancelCommand = ReactiveCommand.Create<Window>(Close);
-            
+
             IsCurrentDirectoryDisplayed = Model.IsCurrentDirectoryDisplayed;
             IsFunctionKeysDisplayed = Model.IsFunctionKeysDisplayed;
             IsCommandLineDisplayed = Model.IsCommandLineDisplayed;
@@ -56,9 +70,13 @@ public OptionsViewModel()
             AvailableCultures = new ObservableCollection<CultureInfo>(GetAvailableCultures());
             var lang = AvailableCultures.First(x => x.Name == Model.Language);
             SelectedCulture = lang ?? AvailableCultures.First();
+
+            ListerPlugins.AddRange(Model.ListerPlugins);
+            AddFileCommand = ReactiveCommand.Create<Window>(AddFileAsync);
+            RemoveFileCommand = ReactiveCommand.Create<Window>(RemoveFile);
         }
 
-        public bool IsCurrentDirectoryDisplayed { get; set; }       
+        public bool IsCurrentDirectoryDisplayed { get; set; }
 
         public bool IsFunctionKeysDisplayed { get; set; }
 
@@ -72,11 +90,44 @@ public OptionsViewModel()
 
         public bool SaveWindowPositionSize { get; set; }
 
-        public bool IsDarkThemeEnabled { get; set; }        
-        public bool AllowOnlyOneInstance { get; set; }        
+        public bool IsDarkThemeEnabled { get; set; }
+        public bool AllowOnlyOneInstance { get; set; }
 
         public ReactiveCommand<Window, Unit> OKCommand { get; }
         public ReactiveCommand<Window, Unit> CancelCommand { get; }
+        public ReactiveCommand<Window, Unit> AddFileCommand { get; }
+        public ReactiveCommand<Window, Unit> RemoveFileCommand { get; }
+        private void RemoveFile(Window window)
+        {
+            if (!string.IsNullOrWhiteSpace(SelectedPlugin))
+            {
+                ListerPlugins?.Remove(SelectedPlugin);
+            }
+        }
+
+        public static FilePickerFileType ListerPluginsFilter { get; } = new("Lister Plugins (64bit)")
+        {
+            Patterns = new[] { /*"*.wlx",*/ "*.wlx64" }
+        };
+        private void AddFileAsync(Window window)
+        {
+            var desktop = (IClassicDesktopStyleApplicationLifetime?)Application.Current?.ApplicationLifetime;
+            var topLevel = TopLevel.GetTopLevel(desktop?.MainWindow);
+            var files = topLevel?.StorageProvider.OpenFilePickerAsync(new FilePickerOpenOptions
+            {
+                Title = "Choose plugin",
+                AllowMultiple = false,
+                FileTypeFilter = new[] { ListerPluginsFilter }
+            }).Result;
+
+            if (files?.Count >= 1)
+            {
+                var filename = files.First().Path.LocalPath;
+
+                if (ListerPlugins.IndexOf(filename)==-1)
+                    ListerPlugins.Add(filename);
+            }
+        }
 
         public void SaveClose(Window window)
         {
@@ -90,10 +141,11 @@ public void SaveClose(Window window)
             Model.IsDarkThemeEnabled = IsDarkThemeEnabled;
             Model.Language = SelectedCulture.Name;
             Model.AllowOnlyOneInstance = AllowOnlyOneInstance;
+            Model.ListerPlugins = ListerPlugins.ToList();
 
             Model.Save();
             window?.Close(this);
-            
+
         }
 
         public void Close(Window window)
diff --git a/src/SmartCommander/Views/FileSearchWindow.axaml b/src/SmartCommander/Views/FileSearchWindow.axaml
index 133bfad..81504e8 100644
--- a/src/SmartCommander/Views/FileSearchWindow.axaml
+++ b/src/SmartCommander/Views/FileSearchWindow.axaml
@@ -49,7 +49,7 @@
 			</ListBox>
 		</ScrollViewer>
 
-		<Border Grid.Row="2" Background="Azure" Padding="0" HorizontalAlignment="Stretch">
+		<Border Grid.Row="2" Padding="0" HorizontalAlignment="Stretch">
 			<TextBlock  Text="{Binding StatusFolder, Mode=OneWay}" VerticalAlignment="Center"/>
 		</Border>
 	</Grid>
diff --git a/src/SmartCommander/Views/OptionsWindow.axaml b/src/SmartCommander/Views/OptionsWindow.axaml
index d267cdc..d264c03 100644
--- a/src/SmartCommander/Views/OptionsWindow.axaml
+++ b/src/SmartCommander/Views/OptionsWindow.axaml
@@ -2,70 +2,85 @@
         xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
         xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
         xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
-        mc:Ignorable="d" d:DesignWidth="600" d:DesignHeight="350"
-        Width="600" Height="350"
+        mc:Ignorable="d" d:DesignWidth="600" d:DesignHeight="400"
+        Width="600" Height="400"
         x:Class="SmartCommander.Views.OptionsWindow"
         ShowInTaskbar="False"
         Icon="/Assets/main.ico"
-		WindowStartupLocation="CenterOwner"      
+		WindowStartupLocation="CenterOwner"
 		xmlns:assets="clr-namespace:SmartCommander.Assets"
         Title="{x:Static assets:Resources.Options}">
-	
+
 	<Window.Resources>
 		<DataTemplate x:Key="CultureInfoTemplate">
 			<TextBlock Text="{Binding DisplayName}" />
 		</DataTemplate>
 	</Window.Resources>
-	
-  <Grid>
-    <Grid.RowDefinitions>
-      <RowDefinition Height="*"></RowDefinition>
-      <RowDefinition Height="Auto"></RowDefinition>
-    </Grid.RowDefinitions>
-    <TabControl>
-      <TabItem Header="Window">
-        <StackPanel>
-          <CheckBox IsChecked="{Binding IsCurrentDirectoryDisplayed}"  
-					Content="{x:Static assets:Resources.DisplayCurrentDirectory}"></CheckBox>
-          <CheckBox IsChecked="{Binding IsFunctionKeysDisplayed}" 
-					Content="{x:Static assets:Resources.DisplayFunctionKeys}"></CheckBox>
-          <CheckBox IsChecked="{Binding IsCommandLineDisplayed}"
-					Content="{x:Static assets:Resources.DisplayCommandLine}"></CheckBox>
-          <CheckBox IsChecked="{Binding SaveWindowPositionSize}"
-					Content="{x:Static assets:Resources.SaveWindowPositionSize}"></CheckBox>
-		  <CheckBox IsChecked="{Binding AllowOnlyOneInstance}"
-					Content="{x:Static assets:Resources.AllowOnlyOneInstance}"></CheckBox>
-          <RadioButton IsChecked="{Binding !IsDarkThemeEnabled}"
-					Content="{x:Static assets:Resources.LightTheme}"></RadioButton>
-          <RadioButton IsChecked="{Binding IsDarkThemeEnabled}"
-					Content="{x:Static assets:Resources.DarkTheme}"></RadioButton>
-        </StackPanel>
-      </TabItem>
-      <TabItem Header="Operation">
-        <StackPanel>
-          <CheckBox IsChecked="{Binding IsHiddenSystemFilesDisplayed}"
-					Content="{x:Static assets:Resources.ShowHiddenFiles}"></CheckBox>
-          <CheckBox IsChecked="{Binding SaveSettingsOnExit}"
-					Content="{x:Static assets:Resources.SaveSettingsOnExit}"></CheckBox>
-          <CheckBox IsChecked="{Binding ConfirmationWhenDeleteNonEmpty}"
-					Content="{x:Static assets:Resources.ShowNonEmptyConfirmation}"></CheckBox>
-        </StackPanel>
-      </TabItem>
-		<TabItem Header="Language">
-			<StackPanel>
-				<ListBox ItemsSource="{Binding AvailableCultures}"
-                         ItemTemplate="{StaticResource CultureInfoTemplate}"
-						 SelectedItem="{Binding SelectedCulture, Mode=TwoWay}"
+
+	<Grid>
+		<Grid.RowDefinitions>
+			<RowDefinition Height="*"></RowDefinition>
+			<RowDefinition Height="Auto"></RowDefinition>
+		</Grid.RowDefinitions>
+		<TabControl TabStripPlacement="Left">
+			<TabItem Header="Window">
+				<StackPanel>
+					<CheckBox IsChecked="{Binding IsCurrentDirectoryDisplayed}"
+							  Content="{x:Static assets:Resources.DisplayCurrentDirectory}"></CheckBox>
+					<CheckBox IsChecked="{Binding IsFunctionKeysDisplayed}"
+							  Content="{x:Static assets:Resources.DisplayFunctionKeys}"></CheckBox>
+					<CheckBox IsChecked="{Binding IsCommandLineDisplayed}"
+							  Content="{x:Static assets:Resources.DisplayCommandLine}"></CheckBox>
+					<CheckBox IsChecked="{Binding SaveWindowPositionSize}"
+							  Content="{x:Static assets:Resources.SaveWindowPositionSize}"></CheckBox>
+					<CheckBox IsChecked="{Binding AllowOnlyOneInstance}"
+							  Content="{x:Static assets:Resources.AllowOnlyOneInstance}"></CheckBox>
+					<RadioButton IsChecked="{Binding !IsDarkThemeEnabled}"
+							  Content="{x:Static assets:Resources.LightTheme}"></RadioButton>
+					<RadioButton IsChecked="{Binding IsDarkThemeEnabled}"
+							  Content="{x:Static assets:Resources.DarkTheme}"></RadioButton>
+				</StackPanel>
+			</TabItem>
+			<TabItem Header="Operation">
+				<StackPanel>
+					<CheckBox IsChecked="{Binding IsHiddenSystemFilesDisplayed}"
+							  Content="{x:Static assets:Resources.ShowHiddenFiles}"></CheckBox>
+					<CheckBox IsChecked="{Binding SaveSettingsOnExit}"
+							  Content="{x:Static assets:Resources.SaveSettingsOnExit}"></CheckBox>
+					<CheckBox IsChecked="{Binding ConfirmationWhenDeleteNonEmpty}"
+							  Content="{x:Static assets:Resources.ShowNonEmptyConfirmation}"></CheckBox>
+				</StackPanel>
+			</TabItem>
+			<TabItem Header="Language">
+				<StackPanel>
+					<Label Content="{x:Static assets:Resources.Reboot}"/>
+					<ListBox ItemsSource="{Binding AvailableCultures}"
+							 ItemTemplate="{StaticResource CultureInfoTemplate}"
+							 SelectedItem="{Binding SelectedCulture, Mode=TwoWay}"
 						  />
-				<Label Content="{x:Static assets:Resources.Reboot}"/>
-			</StackPanel>
-		</TabItem>
-    </TabControl>
-    <StackPanel Grid.Row="1" Orientation="Horizontal" HorizontalAlignment="Center">
-      <Button Margin="5" Command="{Binding OKCommand}" CommandParameter="{Binding $parent[Window]}"
-			  Content="{x:Static assets:Resources.Save}"></Button>
-      <Button Margin="5" Command="{Binding CancelCommand}" CommandParameter="{Binding $parent[Window]}" 
-			  Content="{x:Static assets:Resources.Cancel}"></Button>
-    </StackPanel>
-  </Grid>
+				</StackPanel>
+			</TabItem>
+			<TabItem Header="Plugins">
+				<TabControl>
+					<TabItem Header="Lister (WLX)">
+						<StackPanel Orientation="Vertical">
+							<StackPanel Orientation="Horizontal">
+								<Button Content="Add" Command="{Binding AddFileCommand}"/>
+								<Button Content="Remove" Command="{Binding RemoveFileCommand}"/>
+								<Label Content="* supported only 64bit extensions"/>
+							</StackPanel>
+							<ListBox ItemsSource="{Binding ListerPlugins}"
+									 SelectedItem="{Binding SelectedPlugin, Mode=TwoWay}"/>
+						</StackPanel>
+					</TabItem>
+				</TabControl>
+			</TabItem>
+		</TabControl>
+		<StackPanel Grid.Row="1" Orientation="Horizontal" HorizontalAlignment="Right">
+			<Button Margin="5" Command="{Binding OKCommand}" CommandParameter="{Binding $parent[Window]}" IsDefault="True"
+					Content="{x:Static assets:Resources.Save}"></Button>
+			<Button Margin="5" Command="{Binding CancelCommand}" CommandParameter="{Binding $parent[Window]}" IsCancel="True"
+					Content="{x:Static assets:Resources.Cancel}"></Button>
+		</StackPanel>
+	</Grid>
 </Window>
diff --git a/src/SmartCommander/Views/ViewerWindow.axaml.cs b/src/SmartCommander/Views/ViewerWindow.axaml.cs
index 4fbddb3..45b88c1 100644
--- a/src/SmartCommander/Views/ViewerWindow.axaml.cs
+++ b/src/SmartCommander/Views/ViewerWindow.axaml.cs
@@ -1,6 +1,7 @@
 using Avalonia.Controls;
 using Avalonia.Controls.Platform;
 using Avalonia.Platform;
+using SmartCommander.Models;
 using SmartCommander.Plugins;
 using SmartCommander.ViewModels;
 using System;
@@ -13,8 +14,9 @@ public partial class ViewerWindow : Window
     public ViewerWindow()
     {
         InitializeComponent();
-        this.Opened += OnWindowOpened;
+        this.Opened+= OnWindowOpened;
     }
+
     private void OnWindowOpened(object? sender, EventArgs e)
     {
         var grid = this.FindControl<Grid>("GridPanel");
@@ -22,7 +24,7 @@ private void OnWindowOpened(object? sender, EventArgs e)
         {
             var viewModel = this.DataContext as ViewerViewModel;
 
-            if (OperatingSystem.IsWindows())
+            if (OperatingSystem.IsWindows() && OptionsModel.Instance.ListerPlugins.Count > 0)
             {
                 var embed = new EmbedSample(viewModel!.Filename);
                 if (embed.CanShowByPlugin)
@@ -31,7 +33,6 @@ private void OnWindowOpened(object? sender, EventArgs e)
                 }
             }
         }
-
     }
 }
 
@@ -48,7 +49,7 @@ public void Destroy()
 
 public class EmbedSample : NativeControlHost
 {
-    ListerPluginWrapper listerPluginWrapper { get; set; }
+    ListerPluginWrapper? listerPluginWrapper { get; set; }
     IntPtr listerWindowHandle { get; set; }
 
     public bool CanShowByPlugin
@@ -63,8 +64,25 @@ public EmbedSample(string Filename)
     {
         HorizontalAlignment = 0;
         VerticalAlignment = 0;
-        listerPluginWrapper = PluginManager.CreateListerWrapper();
-        listerWindowHandle = listerPluginWrapper.CreateListerWindow(IntPtr.Zero, Filename);
+
+        foreach (var ListerFileName in OptionsModel.Instance.ListerPlugins)
+        {
+            listerPluginWrapper?.Dispose();
+
+            try
+            {
+                listerPluginWrapper = PluginManager.CreateListerWrapper(ListerFileName);
+                listerWindowHandle = listerPluginWrapper.CreateListerWindow(IntPtr.Zero, Filename);
+
+                if (listerWindowHandle != IntPtr.Zero)
+                    return;
+            }
+            catch (BadImageFormatException ex)
+            {
+                Console.WriteLine($"we cannot load 32bit libraries: {ex.Message}");
+            }
+
+        }
     }
 
     protected override IPlatformHandle CreateNativeControlCore(IPlatformHandle parent)
@@ -75,7 +93,7 @@ protected override IPlatformHandle CreateNativeControlCore(IPlatformHandle paren
 
     protected override void DestroyNativeControlCore(IPlatformHandle control)
     {
-        listerPluginWrapper.CloseWindow(listerWindowHandle);
+        listerPluginWrapper?.CloseWindow(listerWindowHandle);
         base.DestroyNativeControlCore(control);
     }
 }