oap_labs/WpfApp1/MainWindow.xaml

<Window x:Class="WpfApp1.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:WpfApp1"
        mc:Ignorable="d"
        Title="MainWindow" Height="461" Width="800">

    <Image 
    Source="C:\Users\Пользователь\Desktop\oap_labs\WpfApp1\картинка\котик.webp" 
    VerticalAlignment="Top" 
    Grid.ColumnSpan="3" Height="327" Margin="0,63,0,0"/>
</Window>