patcher/Patcher/PatchClient/MainWindow.xaml

<Window x:Class="PatchClient.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:PatchClient"
        mc:Ignorable="d"
        Title="Patching Client" Height="200" Width="600"
        WindowStartupLocation="CenterScreen"
        Loaded="Window_Loaded">
    <Grid>
        <StackPanel VerticalAlignment="Center">
            <Label x:Name="PatchMessageLabel"
                   Margin="10"
                   />

            <ContentControl Margin="10">
                <Grid>
                    <ProgressBar x:Name="PatchProgressBar"
                                 Height="20"
                                 Foreground="MediumPurple"
                                 />
                    <Label x:Name="PatchProgressInfoLabel"
                           HorizontalAlignment="Center" VerticalAlignment="Center"
                           FontSize="15" FontWeight="SemiBold"
                           />
                </Grid>
            </ContentControl>
            
            <TextBlock x:Name="AdditionalInfoBlock" 
                       TextWrapping="Wrap"
                       Margin="10"
                       />
        </StackPanel>
    </Grid>
</Window>