RunInstallerWindow.xaml

<Window x:Class="MarvinsAIRA.RunInstallerWindow"
        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:MarvinsAIRA"
        xmlns:ui="http://schemas.modernwpf.com/2019"
        mc:Ignorable="d"
        Title="Run installer now?"
        Height="Auto"
        Width="800"
        SizeToContent="Height"
        ResizeMode="NoResize"
        Icon="/white-icon.ico"
        WindowStartupLocation="CenterOwner"
        ui:WindowHelper.UseModernWindowStyle="True">

    <StackPanel Margin="10,10,10,10">
        <Label Content="The latest version has been downloaded! Would you like to run the installer now?" FontWeight="DemiBold" HorizontalAlignment="Center" />
        <Label Content="If you choose not to install it now, you can install it later by running the installer file located at:" FontWeight="DemiBold" HorizontalAlignment="Center" Margin="0,10,0,0" />
        <Label x:Name="DownloadPath_Label" Content="" FontFamily="Consolas" HorizontalAlignment="Center" Margin="0,10,0,0" />
        <StackPanel Orientation="Horizontal" HorizontalAlignment="Center" Margin="0,20,0,0">
            <Button Content="Yes, please!" Margin="10,0,10,0" FontSize="18" Width="130" Click="InstallNow_Click" />
            <Button Content="Not now." Margin="10,0,10,0" FontSize="18" Width="130" Click="InstallLater_Click" />
        </StackPanel>
    </StackPanel>
</Window>