diff --git a/Млаумчерб.Клиент/LauncherLogger.cs b/Млаумчерб.Клиент/LauncherLogger.cs
new file mode 100644
index 0000000..cd7d219
--- /dev/null
+++ b/Млаумчерб.Клиент/LauncherLogger.cs
@@ -0,0 +1,13 @@
+using DTLib.Filesystem;
+using DTLib.Logging;
+
+namespace Млаумчерб.Клиент;
+
+public class LauncherLogger : FileLogger
+{
+    public static readonly IOPath LogsDirectory = "launcher-logs";
+    
+    public LauncherLogger() : base(LogsDirectory, "млаумчерб")
+    {
+    }
+}
\ No newline at end of file
diff --git a/Млаумчерб.Клиент/Network.cs b/Млаумчерб.Клиент/Network.cs
new file mode 100644
index 0000000..15f9f0d
--- /dev/null
+++ b/Млаумчерб.Клиент/Network.cs
@@ -0,0 +1,13 @@
+namespace Млаумчерб.Клиент;
+
+public record struct NetworkTransferResult
+{
+    public long BytesTotal;
+    public long BytesTransferred;
+    public long BytesPerSecond;
+}
+
+public class NetworkHelper
+{
+    
+}
\ No newline at end of file
diff --git a/Млаумчерб.Клиент/Главне.cs b/Млаумчерб.Клиент/Главне.cs
index 9ad4dc6..26adaf6 100644
--- a/Млаумчерб.Клиент/Главне.cs
+++ b/Млаумчерб.Клиент/Главне.cs
@@ -2,6 +2,10 @@
 global using System.Collections.Generic;
 global using System.IO;
 global using System.Text;
+global using DTLib.Logging;
+global using DTLib.Filesystem;
+global using File = DTLib.Filesystem.File;
+global using Directory = DTLib.Filesystem.Directory;
 using System.Globalization;
 using Avalonia;
 
diff --git a/Млаумчерб.Клиент/Игра.cs b/Млаумчерб.Клиент/Игра.cs
new file mode 100644
index 0000000..31c2145
--- /dev/null
+++ b/Млаумчерб.Клиент/Игра.cs
@@ -0,0 +1,41 @@
+using System.Threading.Tasks;
+using DTLib.Filesystem;
+using Path = DTLib.Filesystem.Path;
+
+namespace Млаумчерб.Клиент;
+
+public interface IGame
+{
+    string Name { get; }
+    IOPath InstallationDirectory { get; }
+    Progress<NetworkTransferResult> BeginUpdate();
+    void EndUpdate();
+    Task Launch();
+}
+
+public class MinecraftVersion : IGame
+{
+    public string Name { get; }
+    public IOPath InstallationDirectory { get; }
+
+    public MinecraftVersion(string name)
+    {
+        Name = name;
+        InstallationDirectory = Path.Concat("minecraft", Path.ReplaceRestrictedChars(name));
+    }
+    
+    public Progress<NetworkTransferResult> BeginUpdate()
+    {
+        throw new NotImplementedException();
+    }
+
+    public void EndUpdate()
+    {
+        throw new NotImplementedException();
+    }
+
+    public Task Launch()
+    {
+        throw new NotImplementedException();
+    }
+}
\ No newline at end of file
diff --git a/Млаумчерб.Клиент/Млаумчерб.Клиент.csproj b/Млаумчерб.Клиент/Млаумчерб.Клиент.csproj
index 1c11a44..6f12b6f 100644
--- a/Млаумчерб.Клиент/Млаумчерб.Клиент.csproj
+++ b/Млаумчерб.Клиент/Млаумчерб.Клиент.csproj
@@ -13,15 +13,17 @@
     </PropertyGroup>
 
     <ItemGroup>
-        <PackageReference Include="Avalonia" Version="11.1.3" />
-        <PackageReference Include="Avalonia.Desktop" Version="11.1.3" />
-        <PackageReference Include="Avalonia.Themes.Simple" Version="11.1.3" />
-        <PackageReference Condition="'$(Configuration)' == 'Debug'" Include="Avalonia.Diagnostics" Version="11.1.3" />
-        <PackageReference Include="DTLib" Version="1.3.4" />
-        <PackageReference Include="DTLib.Ben.Demystifier" Version="1.0.6" />
-        <PackageReference Include="DTLib.Logging" Version="1.3.5" />
-        <PackageReference Include="MessageBox.Avalonia" Version="3.1.6" />
-        <PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
+        <PackageReference Include="Avalonia" Version="11.*" />
+        <PackageReference Include="Avalonia.Desktop" Version="11.*" />
+        <PackageReference Include="Avalonia.Themes.Simple" Version="11.*" />
+        <PackageReference Condition="'$(Configuration)' == 'Debug'" Include="Avalonia.Diagnostics" Version="11.*" />
+        <PackageReference Include="AvaloniaGif-Unofficial" Version="1.0.0" />
+        <PackageReference Include="DTLib" Version="1.3.*" />
+        <PackageReference Include="DTLib.Ben.Demystifier" Version="1.0.*" />
+        <PackageReference Include="DTLib.Logging" Version="1.3.*" />
+        <PackageReference Include="DTLib.Network" Version="1.4.*" />
+        <PackageReference Include="MessageBox.Avalonia" Version="3.1.*" />
+        <PackageReference Include="Newtonsoft.Json" Version="13.*" />
     </ItemGroup>
 
     <ItemGroup>
diff --git a/Млаумчерб.Клиент/Настройки.cs b/Млаумчерб.Клиент/Настройки.cs
index 28ba930..fccfe8b 100644
--- a/Млаумчерб.Клиент/Настройки.cs
+++ b/Млаумчерб.Клиент/Настройки.cs
@@ -1,20 +1,20 @@
-using Newtonsoft.Json;
+using DTLib.Logging;
+using Newtonsoft.Json;
 
 namespace Млаумчерб.Клиент;
 
-public class Настройки
+public record Настройки
 {
     public string имя_пользователя { get; set; } = "";
     public int выделенная_память_мб { get; set; } = 4096;
     public bool открывать_на_весь_экран { get; set; }
-    
-    public static readonly Encoding UTF8WithoutBom = new UTF8Encoding(false); 
 
     public static Настройки ЗагрузитьИзФайла(string имя_файла = "млаумчерб.настройки")
     {
-        //TODO: лог
+        Приложение.Логгер.LogInfo(nameof(Настройки), $"попытка загрузить настройки из файла '{имя_файла}'");
         if(!File.Exists(имя_файла))
         {
+            Приложение.Логгер.LogInfo(nameof(Настройки), "файл не существует");
             return new Настройки();
         }
 
@@ -30,13 +30,15 @@ public class Настройки
                      $"Создан новый файл '{имя_файла}'.");
         }
 
+        Приложение.Логгер.LogInfo(nameof(Настройки), $"настройки загружены: {н}");
         return н;
     }
 
     public void СохранитьВФайл(string имя_файла = "млаумчерб.настройки")
     {
-        //TODO: log
+        Приложение.Логгер.LogInfo(nameof(Настройки), $"попытка сохранить настройки в файл '{имя_файла}'");
         var текст = JsonConvert.SerializeObject(this, Formatting.Indented);
-        File.WriteAllText(имя_файла, текст, UTF8WithoutBom);
+        File.WriteAllText(имя_файла, текст);
+        Приложение.Логгер.LogInfo(nameof(Настройки), $"настройки сохранены: {текст}");
     }
 }
\ No newline at end of file
diff --git a/Млаумчерб.Клиент/Окне.axaml b/Млаумчерб.Клиент/Окне.axaml
index f4d22e4..59855e2 100644
--- a/Млаумчерб.Клиент/Окне.axaml
+++ b/Млаумчерб.Клиент/Окне.axaml
@@ -1,5 +1,7 @@
 <Window xmlns="https://github.com/avaloniaui"
         xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        xmlns:gif="clr-namespace:Avalonia.Gif;assembly=Avalonia.Gif"
+        xmlns:local="clr-namespace:Млаумчерб"
         x:Class="Млаумчерб.Клиент.Окне"
         Name="window"
         Title="млаумчерб"
@@ -9,29 +11,39 @@
         Width="800" Height="500"
         WindowStartupLocation="CenterScreen">
     <Grid>
-        <Grid.RowDefinitions>30 * 30</Grid.RowDefinitions>
-        <Image Grid.RowSpan="3" Stretch="UniformToFill"
-               Source="avares://млаумчерб/капитал/фоне.png"></Image>
-        <!-- <Border Grid.Row="0" Background="#7000b0"></Border> -->
-        <Grid Grid.Row="1">
+        <Grid.RowDefinitions>* 30</Grid.RowDefinitions>
+        <Image Grid.RowSpan="2" Stretch="UniformToFill"
+               Source="avares://млаумчерб/капитал/фоне.png"/>
+        
+        <Grid Grid.Row="0" Margin="10">
             <Grid.ColumnDefinitions>* 300 *</Grid.ColumnDefinitions>
             <Border Grid.Column="0" 
-                    Classes="dark_box white_border"
-                    Margin="10 5 ">
+                    Classes="dark_tr_bg white_border">
                 <Grid>
                     <Grid.RowDefinitions>30 *</Grid.RowDefinitions>
-                    <Grid.ColumnDefinitions>30</Grid.ColumnDefinitions>
-                    <Button></Button>
+                    <Border Classes="white_border" Margin="-1" Padding="4">
+                        <TextBlock FontWeight="Bold" 
+                                   HorizontalAlignment="Center" 
+                                   VerticalAlignment="Center">
+                            News
+                        </TextBlock>
+                    </Border>
                 </Grid>
             </Border>
             <Border Grid.Column="1" 
-                    Classes="dark_box white_border"
-                    Margin="5 5">
+                    Classes="dark_tr_bg white_border"
+                    Margin="10 0">
                 <Grid>
                     <Grid.RowDefinitions>* 60</Grid.RowDefinitions>
                     <StackPanel Orientation="Vertical" Margin="10" Spacing="10">
+                        <TextBlock>Version:</TextBlock>
+                        <ComboBox Name="VersionComboBox">
+                            
+                        </ComboBox>
+                        
                         <TextBlock>Username:</TextBlock>
                         <TextBox Text="{Binding #window.Username}"></TextBox>
+                        
                         <TextBlock>
                             <Run>Memory limit:</Run>
                             <TextBox Background="Transparent" Padding="0"
@@ -42,18 +54,19 @@
                             <Run>Mb</Run>
                         </TextBlock>
                         <Slider Minimum="2048" Maximum="8192"
-                                Foreground="Blue"
                                 Value="{Binding #window.MemoryLimit}">
                         </Slider>
+                        
                         <CheckBox IsChecked="{Binding #window.Fullscreen}">
                             Fullscreen
                         </CheckBox>
+                        
                         <CheckBox IsChecked="{Binding #window.UpdateGameFiles}">
                             Update game files
                         </CheckBox>
                     </StackPanel>
-                    <Button Grid.Row="1" Margin="10" Padding="0 0 0 5"
-                            BorderThickness="2" BorderBrush="Transparent"
+                    <Button Grid.Row="1" Margin="10" Padding="0 0 0 4"
+                            Classes="button_no_border"
                             Background="#BBFF5900"
                             Click="LaunchButtonHandler">
                         Launch
@@ -61,11 +74,33 @@
                 </Grid>
             </Border>
             
-            <Border Grid.Column="2" 
-                    Classes="dark_box white_border"
-                    Margin="10 5">
-                
+            <Border Grid.Column="2" Classes="dark_tr_bg white_border">
+                <Grid>
+                    <Grid.RowDefinitions>30 *</Grid.RowDefinitions>
+                    <Border Classes="white_border" Margin="-1" Padding="4">
+                        <TextBlock FontWeight="Bold" 
+                                   HorizontalAlignment="Center" 
+                                   VerticalAlignment="Center">
+                            Downloads
+                        </TextBlock>
+                    </Border>
+                </Grid>
             </Border>
         </Grid>
+        <Border Grid.Row="1" Background="#6f4808B0">
+            <Grid>
+                <StackPanel Orientation="Horizontal" HorizontalAlignment="Left">
+                    <Button Classes="menu_button button_no_border" Click="OpenLogsDirectory">logs directory</Button>
+                    <Border Classes="menu_separator"></Border>
+                    <Button Classes="menu_button button_no_border" Click="OpenLogFile">log file</Button>
+                </StackPanel>
+                <StackPanel Orientation="Horizontal" HorizontalAlignment="Right">
+                    <Button Classes="menu_button button_no_border" Click="OpenSourceRepository">source code</Button>
+                    <gif:GifImage 
+                        Width="30" Height="30" Stretch="Uniform"
+                        SourceUri="avares://млаумчерб/капитал/лисик.gif"/>
+                </StackPanel>
+            </Grid>
+        </Border>
     </Grid>
 </Window>
diff --git a/Млаумчерб.Клиент/Окне.axaml.cs b/Млаумчерб.Клиент/Окне.axaml.cs
index 0675045..3511493 100644
--- a/Млаумчерб.Клиент/Окне.axaml.cs
+++ b/Млаумчерб.Клиент/Окне.axaml.cs
@@ -1,8 +1,8 @@
-using System.ComponentModel.DataAnnotations;
 using Avalonia;
 using Avalonia.Controls;
 using Avalonia.Data;
 using Avalonia.Interactivity;
+using Avalonia.Platform.Storage;
 
 namespace Млаумчерб.Клиент;
 
@@ -79,4 +79,19 @@ public partial class Окне : Window
             Ошибки.ПоказатьСообщение(ex);
         }
     }
+
+    private void OpenLogsDirectory(object? s, RoutedEventArgs e)
+    {
+        Launcher.LaunchDirectoryInfoAsync(new DirectoryInfo(LauncherLogger.LogsDirectory.ToString()));
+    }
+    
+    private void OpenLogFile(object? sender, RoutedEventArgs e)
+    {
+        Launcher.LaunchFileInfoAsync(new FileInfo(Приложение.Логгер.LogfileName.ToString()));
+    }
+
+    private void OpenSourceRepository(object? sender, RoutedEventArgs e)
+    {
+        Launcher.LaunchUriAsync(new Uri("https://timerix.ddns.net:3322/Timerix/mlaumcherb"));
+    }
 }
\ No newline at end of file
diff --git a/Млаумчерб.Клиент/Ошибки.cs b/Млаумчерб.Клиент/Ошибки.cs
index 263cfc0..b55b0eb 100644
--- a/Млаумчерб.Клиент/Ошибки.cs
+++ b/Млаумчерб.Клиент/Ошибки.cs
@@ -1,7 +1,9 @@
 using Avalonia.Controls;
 using DTLib.Ben.Demystifier;
+using DTLib.Logging;
 using MsBox.Avalonia;
 using MsBox.Avalonia.Dto;
+using MsBox.Avalonia.Enums;
 using MsBox.Avalonia.Models;
 
 namespace Млаумчерб.Клиент;
@@ -13,12 +15,13 @@ public static class Ошибки
 
     internal static async void ПоказатьСообщение(string err)
     {
+        Приложение.Логгер.LogError(nameof(Ошибки), err);
         var box = MessageBoxManager.GetMessageBoxCustom(new MessageBoxCustomParams
             {
                 ButtonDefinitions = new List<ButtonDefinition> { new() { Name = "пон" } },
                 ContentTitle = "ОШИБКА",
                 ContentMessage = err,
-                Icon = MsBox.Avalonia.Enums.Icon.Error,
+                Icon = Icon.Error,
                 WindowStartupLocation = WindowStartupLocation.CenterOwner,
                 CanResize = true,
                 MaxWidth = 1000,
@@ -28,7 +31,6 @@ public static class Ошибки
                 Topmost = true
             }
         );
-        //TODO: write to log
         await box.ShowAsync().ConfigureAwait(false);
     }
 }
\ No newline at end of file
diff --git a/Млаумчерб.Клиент/Приложение.axaml b/Млаумчерб.Клиент/Приложение.axaml
index 56a234e..77afed0 100644
--- a/Млаумчерб.Клиент/Приложение.axaml
+++ b/Млаумчерб.Клиент/Приложение.axaml
@@ -5,18 +5,31 @@
     <Application.Styles>
         <SimpleTheme />
         
-        <Style Selector="Control.center">
-            <Setter Property="HorizontalAlignment" Value="Center"/>
-            <Setter Property="VerticalAlignment" Value="Center"/>
-        </Style>
-        
-        <Style Selector="Border.dark_box">
+        <Style Selector="Border.dark_tr_bg">
             <Setter Property="Background" Value="#b7303040"/>
         </Style>
-        <Style Selector="Control.white_border">
+        
+        <Style Selector="Border.white_border">
             <Setter Property="BorderThickness" Value="1"/>
             <Setter Property="BorderBrush" Value="White"/>
         </Style>
+        
+        <Style Selector="Button.button_no_border">
+            <Setter Property="BorderThickness" Value="1"/>
+            <Setter Property="BorderBrush" Value="Transparent"/>
+        </Style>
+        
+        <Style Selector="Button.menu_button">
+            <Setter Property="Background" Value="Transparent"/>
+            <Setter Property="Padding" Value="4 0"/>
+            <Setter Property="MinWidth" Value="50"/>
+        </Style>
+        
+        <Style Selector="Border.menu_separator">
+            <Setter Property="Background" Value="#ff505050"/>
+            <Setter Property="Width" Value="1"/>
+            <Setter Property="Margin" Value="4"/>
+        </Style>
     </Application.Styles>
     
     <Application.Resources>
diff --git a/Млаумчерб.Клиент/Приложение.axaml.cs b/Млаумчерб.Клиент/Приложение.axaml.cs
index 5ca0861..7486df9 100644
--- a/Млаумчерб.Клиент/Приложение.axaml.cs
+++ b/Млаумчерб.Клиент/Приложение.axaml.cs
@@ -4,10 +4,13 @@ using Avalonia.Markup.Xaml;
 
 namespace Млаумчерб.Клиент;
 
-public partial class Приложение : Application
+public class Приложение : Application
 {
+    public static readonly LauncherLogger Логгер = new();
+    
     public override void Initialize()
     {
+        Логгер.LogInfo(nameof(Приложение), "приложение запущено");
         AvaloniaXamlLoader.Load(this);
     }
 
diff --git a/Млаумчерб.Клиент/капитал/лисик.gif b/Млаумчерб.Клиент/капитал/лисик.gif
new file mode 100644
index 0000000..54405b4
Binary files /dev/null and b/Млаумчерб.Клиент/капитал/лисик.gif differ
diff --git a/Млаумчерб.Клиент/классы/Буржуазия.cs b/Млаумчерб.Клиент/классы/Буржуазия.cs
new file mode 100644
index 0000000..b6e4022
--- /dev/null
+++ b/Млаумчерб.Клиент/классы/Буржуазия.cs
@@ -0,0 +1,98 @@
+using Newtonsoft.Json;
+
+namespace Млаумчерб.Клиент.классы;
+
+public class Artifact
+{
+    [JsonRequired] public string url { get; set; } = "";
+    [JsonRequired] public string sha1 { get; set; } = "";
+    [JsonRequired] public int size { get; set; }
+}
+
+public class Os
+{
+    [JsonRequired] public string name { get; set; } = "";
+}
+
+public class Rule
+{
+    [JsonRequired] public string action { get; set; } = "";
+    [JsonRequired] public Os os { get; set; } = null!;
+}
+
+public class Classifiers
+{
+    [JsonProperty("natives-linux")]
+    public Artifact? nativeslinux { get; set; }
+    
+    [JsonProperty("natives-osx")]
+    public Artifact? nativesosx { get; set; }
+    
+    [JsonProperty("natives-windows")]
+    public Artifact? nativeswindows { get; set; }
+}
+
+public class LibraryDownloads
+{
+    public Artifact? artifact { get; set; }
+    public Classifiers? classifiers { get; set; }
+}
+
+public class Extract
+{
+    public List<string>? exclude { get; set; }
+}
+
+public class Natives
+{
+    public string? linux { get; set; }
+    public string? osx { get; set; }
+    public string? windows { get; set; }
+}
+
+public class Library
+{
+    [JsonRequired] public string name { get; set; } = "";
+    public List<Rule>? rules { get; set; }
+    public Natives? natives { get; set; }
+    public Extract? extract { get; set; }
+    [JsonRequired] public LibraryDownloads downloads { get; set; } = null!;
+}
+
+public class AssetIndex
+{
+    [JsonRequired] public string id { get; set; } = "";
+    [JsonRequired] public int totalSize { get; set; }
+    [JsonRequired] public bool known { get; set; }
+    [JsonRequired] public string url { get; set; } = "";
+    [JsonRequired] public string sha1 { get; set; } = "";
+    [JsonRequired] public int size { get; set; }
+}
+
+public class Downloads
+{
+    [JsonRequired] public Artifact client { get; set; } = null!;
+}
+
+public class JavaVersion
+{
+    [JsonRequired] public string component { get; set; } = "";
+    [JsonRequired] public int majorVersion { get; set; }
+}
+
+public class MinecraftVersionDescriptor
+{
+    [JsonRequired] public string id { get; set; } = "";
+    [JsonRequired] public string jar { get; set; } = "";
+    [JsonRequired] public string family { get; set; } = "";
+    [JsonRequired] public DateTime time { get; set; }
+    [JsonRequired] public DateTime releaseTime { get; set; }
+    [JsonRequired] public string type { get; set; } = "";
+    [JsonRequired] public string mainClass { get; set; } = "";
+    [JsonRequired] public Downloads downloads { get; set; } = null!;
+    [JsonRequired] public JavaVersion javaVersion { get; set; } = null!;
+    [JsonRequired] public List<Library> libraries { get; set; } = null!;
+    [JsonRequired] public AssetIndex assetIndex { get; set; } = null!;
+    [JsonRequired] public string assets { get; set; } = "";
+    // public string minecraftArguments { get; set; }
+}
\ No newline at end of file
diff --git a/Млаумчерб.Клиент/классы/Пролетариат.cs b/Млаумчерб.Клиент/классы/Пролетариат.cs
new file mode 100644
index 0000000..efa37f2
--- /dev/null
+++ b/Млаумчерб.Клиент/классы/Пролетариат.cs
@@ -0,0 +1,6 @@
+namespace Млаумчерб.Клиент.классы;
+
+public class Пролетариат
+{
+    
+}
\ No newline at end of file