WowUp/WowUp.WPF/MainWindow.xaml

<Window x:Class="WowUp.WPF.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        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"
        xmlns:local="clr-namespace:WowUp.WPF"
        xmlns:vw = "clr-namespace:WowUp.WPF.Views" 
        mc:Ignorable="d"
        Title="WowUp.io" 
        Padding="0"
        AllowsTransparency="True"
        Background="#383773"
        Height="450" 
        Width="1024"
        WindowStyle="None"
        BorderThickness="0"
        Margin="0"
        MinWidth="800"
        MinHeight="400"
        SizeChanged="Window_SizeChanged"
        BorderBrush="Transparent"
        ResizeMode="CanResize"
        StateChanged="Window_StateChanged"
        IsVisibleChanged="Window_IsVisibleChanged"
        Loaded="Window_Loaded">

    <WindowChrome.WindowChrome>
        <WindowChrome CaptionHeight="32"
                      CornerRadius="0"
                      GlassFrameThickness="0"
                      ResizeBorderThickness="4" />
    </WindowChrome.WindowChrome>

    <Window.Resources>
        <ResourceDictionary >
            <ResourceDictionary.MergedDictionaries>
                <ResourceDictionary Source="Views/Styles.xaml"/>
            </ResourceDictionary.MergedDictionaries>
        </ResourceDictionary>
    </Window.Resources>

    <Border Style="{StaticResource WindowMainPanelStyle}">
        <Grid Background="{StaticResource Dark3}" >
            <Grid.RowDefinitions>
                <RowDefinition Height="Auto"/>
                <RowDefinition Height="Auto"/>
                <RowDefinition Height="*" />
            </Grid.RowDefinitions>
            <Grid Grid.Row="0"  Background="{StaticResource Purple1}">
                <Grid.ColumnDefinitions>
                    <ColumnDefinition Width="*" />
                    <ColumnDefinition Width="Auto" />
                </Grid.ColumnDefinitions>
                <Border Grid.Column="0" Padding="10, 0" >
                    <StackPanel Orientation="Horizontal">
                        <Image Source="Assets/wowup_logo_512np.png" Margin="0, 0, 10, 0" Height="40" 
                               RenderOptions.BitmapScalingMode="HighQuality"/>
                        <TextBlock Text="{Binding Title}" Foreground="White" VerticalAlignment="Center" FontSize="15"/>
                    </StackPanel>
                </Border>
                <StackPanel Grid.Column="1" Orientation="Horizontal">
                    <Button
                            x:Name="MinimizeButton"
                            Click="MinimizeButton_Click"
                            RenderOptions.EdgeMode="Aliased"
                            Style="{StaticResource TitleBarButtonStyle}">
                        <Path Width="46"
                              Height="32"
                              Data="M 18,15 H 28"
                              Stroke="{Binding Path=Foreground, 
                                RelativeSource={RelativeSource AncestorType={x:Type Button}}}"
                              StrokeThickness="1" />
                    </Button>
                    <Button x:Name="MaximizeButton"
                        Click="MaximizeRestoreButton_Click"
                        Visibility="{Binding MaximizeVisibility}"
                        Style="{StaticResource TitleBarButtonStyle}">
                        <Path Width="46"
                          Height="32"
                          Data="M 18.5,10.5 H 27.5 V 19.5 H 18.5 Z"
                          Stroke="{Binding Path=Foreground,
							 RelativeSource={RelativeSource AncestorType={x:Type Button}}}"
                          StrokeThickness="1" />
                    </Button>
                    <Button x:Name="RestoreButton"
                        Click="MaximizeRestoreButton_Click"
                        Visibility="{Binding RestoreVisibility}"
                        Style="{StaticResource TitleBarButtonStyle}">
                        <Path Width="46"
                          Height="32"
                          Data="M 18.5,12.5 H 25.5 V 19.5 H 18.5 Z M 20.5,12.5 V 10.5 H 27.5 V 17.5 H 25.5"
                          Stroke="{Binding Path=Foreground,
							 RelativeSource={RelativeSource AncestorType={x:Type Button}}}"
                          StrokeThickness="1" />
                    </Button>
                    <Button x:Name="CloseButton" 
                            Command="{Binding CloseWindowCommand}"
                            Style="{StaticResource TitleBarCloseButtonStyle}">
                        <Path Width="46"
                              Height="32"
                              Data="M 18,11 27,20 M 18,20 27,11"
                              Stroke="{Binding Path=Foreground,
							     RelativeSource={RelativeSource AncestorType={x:Type Button}}}"
                              StrokeThickness="1" />
                    </Button>
                </StackPanel>
            </Grid>
            <vw:ApplicationUpdateControl Grid.Row="1" DataContext="{Binding ApplicationUpdateControlViewModel}"  />
            <!--<Border Visibility="{Binding IsUpdateAvailable, Converter={StaticResource BoolToVisibilty}}"
                    Grid.Row="1"
                    Padding="10">
                <StackPanel HorizontalAlignment="Center" 
                            Orientation="Horizontal">
                    <TextBlock Text="A new version of WowUp is available!" 
                               Margin="10, 0"
                               VerticalAlignment="Center" />
                    <Button x:Name="DownloadUpdateButton" Style="{StaticResource purpleButton}" Click="DownloadUpdateButton_Click">Download</Button>
                </StackPanel>
            </Border>-->
            <StackPanel Visibility="{Binding ShowWowSelection, Converter={StaticResource BoolToVisibilty}}" 
                        Grid.Row="2"
                        VerticalAlignment="Center"
                        HorizontalAlignment="Center">
                <TextBlock Text="Welcome" FontSize="20" HorizontalAlignment="Center" />
                <TextBlock Text="Please select your World of Warcraft folder" FontSize="14" />
                <TextBlock Text="Example: C:\Program Files (x86)\World of Warcraft" Foreground="{StaticResource White2}" FontSize="12" />
                <Button x:Name="SelectWowButton" Click="SelectWowButton_Click" Margin="0, 10" Style="{StaticResource purpleButton}">Select</Button>
            </StackPanel>
            <TabControl x:Name="Tabs" 
                        Grid.Row="2" 
                        Visibility="{Binding ShowTabs, Converter={StaticResource BoolToVisibilty}}"
                        Style="{StaticResource CustomTabStyle}"
                        ItemsSource="{Binding TabItems}">
                <!--<TabItem Style="{StaticResource CustomTabItemStyle}" Header="My Addons">
                    <vw:AddonsView></vw:AddonsView>
                </TabItem>
                <TabItem Style="{StaticResource CustomTabItemStyle}" Header="About">
                    <vw:AboutView></vw:AboutView>
                </TabItem>
                <TabItem Style="{StaticResource CustomTabItemStyle}" Header="Options">
                    <vw:OptionsView></vw:OptionsView>
                </TabItem>-->
            </TabControl>
        </Grid>
    </Border>
</Window>