diff --git a/WPFApplication/MainWindow.xaml b/WPFApplication/MainWindow.xaml
index 23130b3..07713f9 100644
--- a/WPFApplication/MainWindow.xaml
+++ b/WPFApplication/MainWindow.xaml
@@ -6,7 +6,7 @@
         xmlns:local="clr-namespace:WPFApplication"
         mc:Ignorable="d"
         WindowStartupLocation="CenterScreen"
-        Title="MainWindow"
+        Title="Asset Viewer"
         Height="850"
         Width="1440">
 
@@ -20,47 +20,34 @@
             <Setter Property="Padding" Value="8, 5"></Setter>
             <Setter Property="Foreground" Value="{StaticResource MenuButtonForeground}"></Setter>
         </Style>
-        <Style x:Key="ListBoxStyle" TargetType="ListBox">
-            <Setter Property="Background" Value="{StaticResource ListBoxBrush}"></Setter>
+        <Style x:Key="ButtonStyle" TargetType="MenuItem">
+            <Setter Property="FontSize" Value="12"></Setter>
+            <Setter Property="Padding" Value="12, 8"></Setter>
+            <Setter Property="Background" Value="{StaticResource MenuBackgroundColor}"></Setter>
+            <Setter Property="Foreground" Value="White"></Setter>
+            <Setter Property="BorderThickness" Value="0"></Setter>
+        </Style>
+        <Style x:Key="VideoButtonStyle" TargetType="Button">
+            <Setter Property="FontSize" Value="12"></Setter>
+            <Setter Property="Padding" Value="12, 8"></Setter>
+            <Setter Property="Background" Value="{StaticResource MenuBackgroundColor}"></Setter>
+            <Setter Property="Foreground" Value="White"></Setter>
+            <Setter Property="BorderThickness" Value="0"></Setter>
+        </Style>
+        <Style x:Key="CommandMenuItem" TargetType="MenuItem">
+            <Setter Property="Foreground" Value="Black"></Setter>
+        </Style>
+        <Style x:Key="CommandsTextBox" TargetType="TextBox">
+            <Setter Property="Background" Value="LightGray"></Setter>
             <Setter Property="BorderBrush" Value="Black"></Setter>
-        </Style>
-        <Style x:Key="LabelStyle" TargetType="Label">
-            <Setter Property="FontSize" Value="16"></Setter>
-            <Setter Property="FontFamily" Value="Times New Roman"></Setter>
-            <Setter Property="FontWeight" Value="Bold"></Setter>
-        </Style>
-
-        <Style x:Key="ExpandCollapseToggleStyle" TargetType="ToggleButton">
-            <Setter Property="Focusable" Value="False"/>
-            <Setter Property="Template">
-                <Setter.Value>
-                    <ControlTemplate TargetType="ToggleButton">
-                        <Grid Width="14" Height="14">
-                            <Rectangle Fill="White" />
-                            <Border Name="ExpandBorder" RenderOptions.EdgeMode="Aliased" BorderBrush="Black" BorderThickness="2">
-                                <Path RenderOptions.EdgeMode="Aliased" Name="ExpandPath" Stroke="Black" Margin="0" StrokeThickness="2" Data="M 5 1 L 5 9 M 1 5 L 9 5" />
-                            </Border>
-                        </Grid>
-                        <ControlTemplate.Triggers>
-                            <Trigger Property="IsChecked" Value="True">
-                                <Setter Property="Data" TargetName="ExpandPath" Value="M 1 5 L 9 5"/>
-                            </Trigger>
-                            <Trigger Property="IsEnabled" Value="False">
-                                <Setter TargetName="ExpandBorder" Property="BorderBrush" Value="Gray" />
-                                <Setter TargetName="ExpandPath" Property="Stroke" Value="Gray" />
-                                <Setter Property="Data" TargetName="ExpandPath" Value=""/>
-                            </Trigger>
-                        </ControlTemplate.Triggers>
-                    </ControlTemplate>
-                </Setter.Value>
-            </Setter>
+            <Setter Property="Padding" Value="3"></Setter>
+            <Setter Property="Margin" Value="8, 0"></Setter>
         </Style>
     </Window.Resources>
 
     <Grid Background="{StaticResource MainBackgroundColor}">
         <Grid.RowDefinitions>
             <RowDefinition Height="Auto" />
-            <RowDefinition Height="8" />
             <RowDefinition />
             <RowDefinition Height="Auto" />
         </Grid.RowDefinitions>
@@ -72,7 +59,7 @@
             <MenuItem Header="Help" Style="{StaticResource MenuButtonTextStyle}"></MenuItem>
         </Menu>
 
-        <Grid Grid.Row="2">
+        <Grid Grid.Row="1">
             <Grid.ColumnDefinitions>
                 <ColumnDefinition Width="Auto" MinWidth="400" />
                 <ColumnDefinition Width="Auto" />
@@ -89,20 +76,118 @@
                     </ControlTemplate>
                 </TabControl.Template>
 
-                <TabItem Header="Archives">
-
+                <TabItem Header="Commands">
+                    <StackPanel Margin="0, 15">
+                        <TextBox x:Name="CommandTextBox" Style="{StaticResource CommandsTextBox}"/>
+                        <Menu HorizontalAlignment="Center" Margin="10">
+                            <MenuItem x:Name="CommandsButton" Header="Choose command.." Style="{StaticResource ButtonStyle}">
+                                <MenuItem Header="Копировать" CommandTarget="{Binding ElementName=CommandTextBox}" Command="Copy" Style="{StaticResource CommandMenuItem}"/>
+                                <MenuItem Header="Вставить" CommandTarget="{Binding ElementName=CommandTextBox}" Command="Paste" Style="{StaticResource CommandMenuItem}" />
+                                <MenuItem Header="Вырезать" CommandTarget="{Binding ElementName=CommandTextBox}" Command="Cut" Style="{StaticResource CommandMenuItem}" />
+                            </MenuItem>
+                        </Menu>
+                    </StackPanel>
                 </TabItem>
 
-                <TabItem Header="Folders">
+                <TabItem Header="Video">
+                    <StackPanel Grid.Column="1">
+                        <StackPanel.Triggers>
+                            <EventTrigger RoutedEvent="Button.Click" SourceName="play_video">
+                                <EventTrigger.Actions>
+                                    <BeginStoryboard Name="MediaStoryboard">
+                                        <Storyboard>
+                                            <MediaTimeline Storyboard.TargetName="video" Source="videos/video2.mp4" AutoReverse="False">
 
+                                            </MediaTimeline>
+                                        </Storyboard>
+                                    </BeginStoryboard>
+                                </EventTrigger.Actions>
+                            </EventTrigger>
+                            <EventTrigger RoutedEvent="Button.Click" SourceName="pause_video">
+                                <EventTrigger.Actions>
+                                    <StopStoryboard BeginStoryboardName="MediaStoryboard"></StopStoryboard>
+                                </EventTrigger.Actions>
+                            </EventTrigger>
+                        </StackPanel.Triggers>
+                        <Label Content="Video Playback" HorizontalAlignment="Center" VerticalAlignment="Top" FontSize="16" Foreground="White" Margin="8"/>
+                        <Grid HorizontalAlignment="Center">
+                            <Rectangle x:Name="video_bg" 
+                               Stroke="Black" 
+                               Grid.Column="1" 
+                               HorizontalAlignment="Center" 
+                               MinHeight="250" 
+                               MinWidth="377"
+                               />
+                            <MediaElement x:Name="video" 
+                                UnloadedBehavior="Close" 
+                                LoadedBehavior="Manual" 
+                                MaxWidth="{Binding ElementName=video_bg, Path=ActualWidth}" 
+                                MaxHeight="{Binding ElementName=video_bg, Path=ActualHeight}" 
+                                Stretch="Fill"/>
+                        </Grid>
+                        <Button x:Name="play_video" Margin="10,10,10,0" Content="Play from start" Style="{StaticResource VideoButtonStyle}" />
+                        <Button x:Name="pause_video" Margin="10,10,10,0" Style="{StaticResource VideoButtonStyle}" >
+                            <Button.Content>Pause</Button.Content>
+                            <Button.Triggers>
+                                <EventTrigger RoutedEvent="Button.Click"></EventTrigger>
+                            </Button.Triggers>
+                        </Button>
+
+                    </StackPanel>
                 </TabItem>
 
-                <TabItem Header="Assets">
+                <TabItem Header="Other">
+                    <StackPanel>
+                        <Button x:Name="animated_button" Margin="10" Style="{StaticResource VideoButtonStyle}">
+                            <Button.Content>Hover over me ^_^ :33 !! :))</Button.Content>
+                            <Button.RenderTransform>
+                                <TranslateTransform/>
+                            </Button.RenderTransform>
+                            <Button.Triggers>
+                                <EventTrigger RoutedEvent="MouseEnter">
+                                    <BeginStoryboard Name="MouseEnter_BeginStoryboard">
+                                        <Storyboard>
+                                            <DoubleAnimationUsingKeyFrames RepeatBehavior="Forever" Storyboard.TargetProperty="RenderTransform.(TranslateTransform.X)">
+                                                <SplineDoubleKeyFrame KeyTime="0:0:0" Value="0" />
+                                                <SplineDoubleKeyFrame KeyTime="0:0:0.50" Value="5" />
+                                                <SplineDoubleKeyFrame KeyTime="0:0:1" Value="5" />
+                                                <SplineDoubleKeyFrame KeyTime="0:0:1.50" Value="-5" />
+                                                <SplineDoubleKeyFrame KeyTime="0:0:2" Value="-5" />
+                                                <SplineDoubleKeyFrame KeyTime="0:0:2.50" Value="0" />
+                                            </DoubleAnimationUsingKeyFrames>
+                                            <DoubleAnimationUsingKeyFrames RepeatBehavior="Forever" Storyboard.TargetProperty="RenderTransform.(TranslateTransform.Y)">
+                                                <SplineDoubleKeyFrame KeyTime="0:0:0" Value="0" />
+                                                <SplineDoubleKeyFrame KeyTime="0:0:0.50" Value="-5" />
+                                                <SplineDoubleKeyFrame KeyTime="0:0:1" Value="5" />
+                                                <SplineDoubleKeyFrame KeyTime="0:0:1.50" Value="5" />
+                                                <SplineDoubleKeyFrame KeyTime="0:0:2" Value="-5" />
+                                                <SplineDoubleKeyFrame KeyTime="0:0:2.50" Value="0" />
+                                            </DoubleAnimationUsingKeyFrames>
+                                        </Storyboard>
+                                    </BeginStoryboard>
+                                </EventTrigger>
+                                <EventTrigger RoutedEvent="MouseLeave">
+                                    <StopStoryboard BeginStoryboardName="MouseEnter_BeginStoryboard"/>
+                                </EventTrigger>
+                            </Button.Triggers>                             
+                        </Button>
 
+                        <Button Margin="10" Style="{StaticResource VideoButtonStyle}">
+                            <Button.Content>Play sound effect</Button.Content>
+                            <Button.Triggers>
+                                <EventTrigger RoutedEvent="Button.Click">
+                                    <EventTrigger.Actions>
+                                        <SoundPlayerAction Source="C:\Users\Oleg\source\repos\WPFApplication\WPFApplication\sounds\sound_effect.wav"></SoundPlayerAction>
+                                    </EventTrigger.Actions>
+                                </EventTrigger>
+                            </Button.Triggers>
+                        </Button>
+                    </StackPanel>
                 </TabItem>
+
             </TabControl>
 
-            <GridSplitter Grid.Column="1" ResizeDirection="Columns" Width="4" VerticalAlignment="Stretch"
+            <GridSplitter Grid.Column="1" ResizeDirection="Columns" MinWidth="4" VerticalAlignment="Stretch"
                           ResizeBehavior="PreviousAndNext" Background="{StaticResource MenuBackgroundColor}" />
 
             <Grid Margin="0 0 3 0" Grid.Column="2">
@@ -112,16 +197,15 @@
                 </Grid.RowDefinitions>
 
                 <TabControl Grid.Row="0" x:Name="TabControlName" Background="Transparent" BorderThickness="0" />
-                <!-- Style="{StaticResource GameFilesTabControl}" -->
                 <Expander Grid.Row="1" Padding="0, 3" Background="{StaticResource MenuBackgroundColor}">
                     <TextBox MinHeight="150" Background="{StaticResource MainBackgroundColor}" BorderThickness="0">
-                        
+
                     </TextBox>
                 </Expander>
             </Grid>
         </Grid>
 
-        <StatusBar Grid.Row="3" MinHeight="28" MaxHeight="28" Background="{StaticResource StatusBarBackroundColor}">
+        <StatusBar Grid.Row="2" MinHeight="28" MaxHeight="28" Background="{StaticResource StatusBarBackroundColor}">
             <TextBlock Text="Completed" Foreground="White" />
         </StatusBar>
     </Grid>
diff --git a/WPFApplication/sounds/sound_effect.wav b/WPFApplication/sounds/sound_effect.wav
new file mode 100644
index 0000000..718e17a
Binary files /dev/null and b/WPFApplication/sounds/sound_effect.wav differ
diff --git a/WPFApplication/videos/video.mp4 b/WPFApplication/videos/video.mp4
new file mode 100644
index 0000000..b4711af
Binary files /dev/null and b/WPFApplication/videos/video.mp4 differ
diff --git a/WPFApplication/videos/video2.mp4 b/WPFApplication/videos/video2.mp4
new file mode 100644
index 0000000..4a971a0
Binary files /dev/null and b/WPFApplication/videos/video2.mp4 differ