diff --git a/Changelog.md b/Changelog.md
index 2b89d77..7a2fa57 100644
--- a/Changelog.md
+++ b/Changelog.md
@@ -2,10 +2,11 @@
 5.4.8.7 Beta (202?-??-??)
 =========================
 
-- history feature can be configured to ingore defined strings:
+- History feature can be configured to ingore defined strings:
   script-opt = history-discard=value1;value2
 - Web stream audio and subtitle track selection.
-- On Windows 10 the default code page was changed to UTF8.
+- On Windows 10 1903 and later the default code page was changed to UTF8.
+- Support of --version command.
 
 
 5.4.8.6 Beta (2020-12-24)
diff --git a/mpv.net/Misc/App.cs b/mpv.net/Misc/App.cs
index 2448c90..69f9992 100644
--- a/mpv.net/Misc/App.cs
+++ b/mpv.net/Misc/App.cs
@@ -12,7 +12,7 @@ namespace mpvnet
 {
     public static class App
     {
-        public static string[] VideoTypes { get; } = "264 265 asf avc avi avs dav flv h264 h265 hevc m2ts m2v m4v mkv mov mp4 mpeg mpg mpv mts ts vob vpy webm wmv y4m".Split(' ');
+        public static string[] VideoTypes { get; } = "264 265 asf avc avi avs dav flv h264 h265 hevc m2t m2ts m2v m4v mkv mov mp4 mpeg mpg mpv mts ts vob vpy webm wmv y4m".Split(' ');
         public static string[] AudioTypes { get; } = "mp3 mp2 ac3 ogg opus flac wav w64 m4a dts dtsma dtshr dtshd eac3 thd thd+ac3 mka aac mpa".Split(' ');
         public static string[] ImageTypes { get; } = { "jpg", "bmp", "gif", "png" };
         public static string[] SubtitleTypes { get; } = { "srt", "ass", "idx", "sup", "ttxt", "ssa", "smi" };
@@ -99,6 +99,14 @@ namespace mpvnet
             });
         }
 
+        public static string Version {
+            get {
+                return "Copyright (C) 2000-2020 mpv.net/mpv/mplayer\n" +
+                    $"mpv.net {Application.ProductVersion} ({File.GetLastWriteTime(Application.ExecutablePath).ToShortDateString()})\n" +
+                    $"{core.get_property_string("mpv-version")} ({File.GetLastWriteTime(Folder.Startup + "mpv-1.dll").ToShortDateString()})\nffmpeg {core.get_property_string("ffmpeg-version")}\nMIT License";
+            }
+        }
+
         public static void ShowException(object obj)
         {
             if (obj is Exception e)
diff --git a/mpv.net/Misc/Commands.cs b/mpv.net/Misc/Commands.cs
index a5dafbd..02de038 100644
--- a/mpv.net/Misc/Commands.cs
+++ b/mpv.net/Misc/Commands.cs
@@ -1,6 +1,5 @@
 
 using System;
-using System.Diagnostics;
 using System.IO;
 using System.Linq;
 using System.Threading;
diff --git a/mpv.net/Misc/PowerShell.cs b/mpv.net/Misc/PowerShell.cs
index d88124d..7239604 100644
--- a/mpv.net/Misc/PowerShell.cs
+++ b/mpv.net/Misc/PowerShell.cs
@@ -5,7 +5,6 @@ using System.Linq;
 using System.Management.Automation;
 using System.Management.Automation.Runspaces;
 using System.Threading;
-using System.Threading.Tasks;
 
 using static mpvnet.Core;
 using static NewLine;
diff --git a/mpv.net/WPF/AboutWindow.xaml.cs b/mpv.net/WPF/AboutWindow.xaml.cs
index d711b09..13fd5ac 100644
--- a/mpv.net/WPF/AboutWindow.xaml.cs
+++ b/mpv.net/WPF/AboutWindow.xaml.cs
@@ -1,10 +1,7 @@
 
-using System.IO;
 using System.Windows;
 using System.Windows.Input;
 
-using static mpvnet.Core;
-
 namespace mpvnet
 {
     public partial class AboutWindow : Window
@@ -12,9 +9,7 @@ namespace mpvnet
         public AboutWindow()
         {
             InitializeComponent();
-            ContentBlock.Text= "Copyright (C) 2017-2020 Frank Skare (stax76)\n" +
-                $"mpv.net {System.Windows.Forms.Application.ProductVersion} ({File.GetLastWriteTime(System.Windows.Forms.Application.ExecutablePath).ToShortDateString()})\n" +
-                $"{core.get_property_string("mpv-version")} ({File.GetLastWriteTime(Folder.Startup + "mpv-1.dll").ToShortDateString()})\nffmpeg {core.get_property_string("ffmpeg-version")}\nMIT License";
+            ContentBlock.Text = App.Version;
         }
 
         protected override void OnPreviewKeyDown(KeyEventArgs e) => Close();
diff --git a/mpv.net/mpv/Core.cs b/mpv.net/mpv/Core.cs
index dfcc20f..46e574d 100644
--- a/mpv.net/mpv/Core.cs
+++ b/mpv.net/mpv/Core.cs
@@ -1,7 +1,6 @@
 
 using System;
 using System.Collections.Generic;
-using System.Diagnostics;
 using System.Drawing;
 using System.Drawing.Drawing2D;
 using System.Drawing.Imaging;
@@ -9,7 +8,6 @@ using System.IO;
 using System.Linq;
 using System.Runtime.InteropServices;
 using System.Threading;
-using System.Threading.Tasks;
 using System.Windows.Forms;
 
 using static libmpv;
@@ -956,25 +954,33 @@ namespace mpvnet
                 {
                     try
                     {
-                        if (arg == "--profile=help")
+                        if (!preInit)
                         {
-                            ConsoleHelp.Write(mpvHelp.GetProfiles(), null);
-                            continue;
-                        }
-                        else if (arg == "--vd=help" || arg == "--ad=help")
-                        {
-                            ConsoleHelp.Write(mpvHelp.GetDecoders(), null);
-                            continue;
-                        }
-                        else if (arg == "--audio-device=help")
-                        {
-                            ConsoleHelp.Write(core.get_property_osd_string("audio-device-list"), null);
-                            continue;
-                        }
-                        else if (arg == "--input-keylist")
-                        {
-                            ConsoleHelp.Write(core.get_property_string("input-key-list").Replace(",", BR), null);
-                            continue;
+                            if (arg == "--profile=help")
+                            {
+                                Console.WriteLine(mpvHelp.GetProfiles());
+                                continue;
+                            }
+                            else if (arg == "--vd=help" || arg == "--ad=help")
+                            {
+                                Console.WriteLine(mpvHelp.GetDecoders());
+                                continue;
+                            }
+                            else if (arg == "--audio-device=help")
+                            {
+                                Console.WriteLine(core.get_property_osd_string("audio-device-list"));
+                                continue;
+                            }
+                            else if (arg == "--version")
+                            {
+                                Console.WriteLine(App.Version);
+                                continue;
+                            }
+                            else if (arg == "--input-keylist")
+                            {
+                                Console.WriteLine(core.get_property_string("input-key-list").Replace(",", BR));
+                                continue;
+                            }
                         }
 
                         if (!arg.StartsWith("--"))