diff --git a/example/csharp/TdExample.cs b/example/csharp/TdExample.cs
index fe0bd026..f6ea3d19 100644
--- a/example/csharp/TdExample.cs
+++ b/example/csharp/TdExample.cs
@@ -206,8 +206,8 @@ namespace TdExample
         static void Main()
         {
             // disable TDLib log
-            Td.Log.SetVerbosityLevel(0);
-            if (!Td.Log.SetFilePath("tdlib.log"))
+            Td.Client.Execute(new TdApi.SetLogVerbosityLevel(0));
+            if (Td.Client.Execute(new TdApi.SetLogStream(new TdApi.LogStreamFile("tdlib.log", 1 << 27))) is TdApi.Error)
             {
                 throw new System.IO.IOException("Write access to the current directory is required");
             }
diff --git a/example/uwp/app/MainPage.xaml.cs b/example/uwp/app/MainPage.xaml.cs
index 513532d0..b12116cd 100644
--- a/example/uwp/app/MainPage.xaml.cs
+++ b/example/uwp/app/MainPage.xaml.cs
@@ -27,8 +27,8 @@ namespace TdApp
             Items = new System.Collections.ObjectModel.ObservableCollection<string>();
             _handler = new MyClientResultHandler(this);
 
-            Td.Log.SetFilePath(Path.Combine(Windows.Storage.ApplicationData.Current.LocalFolder.Path, "log"));
-            Td.Log.SetVerbosityLevel(0);
+            Td.Client.Execute(new TdApi.SetLogVerbosityLevel(0));
+            Td.Client.Execute(new TdApi.SetLogStream(new TdApi.LogStreamFile(Path.Combine(Windows.Storage.ApplicationData.Current.LocalFolder.Path, "log"), 1 << 27)));
 
             System.Threading.Tasks.Task.Run(() =>
             {
@@ -118,7 +118,7 @@ namespace TdApp
             {
                 var args = command.Split(" ".ToCharArray(), 2);
                 AcceptCommand(command);
-                _client.Send(new TdApi.DownloadFile(Int32.Parse(args[1]), 1), _handler);
+                _client.Send(new TdApi.DownloadFile(Int32.Parse(args[1]), 1, 0, 0), _handler);
             }
             else if (command.StartsWith("bench"))
             {
diff --git a/td/telegram/LogDotNet.cpp b/td/telegram/LogDotNet.cpp
index 65e92aa0..55c4e73d 100644
--- a/td/telegram/LogDotNet.cpp
+++ b/td/telegram/LogDotNet.cpp
@@ -18,6 +18,7 @@ using namespace CxCli;
 /// <summary>
 /// Class for managing internal TDLib logging.
 /// </summary>
+[DEPRECATED_ATTRIBUTE("Telegram.Td.Log class is deprecated, please use Telegram.Td.Api.*Log* requests instead.")]
 public ref class Log sealed {
 public:
   /// <summary>
@@ -27,6 +28,7 @@ public:
   /// Value 0 means FATAL, value 1 means ERROR, value 2 means WARNING, value 3 means INFO, value 4 means DEBUG,
   /// value greater than 4 can be used to enable even more logging.
   /// Default value of the log verbosity level is 5.</param>
+  [DEPRECATED_ATTRIBUTE("SetVerbosityLevel is deprecated, please use Telegram.Td.Api.SetLogVerbosityLevel request instead.")]
   static void SetVerbosityLevel(int verbosityLevel) {
     ::td::Log::set_verbosity_level(verbosityLevel);
   }
@@ -38,6 +40,7 @@ public:
   /// <param name="filePath">Path to a file for writing TDLib internal log. Use an empty path to switch back to logging
   /// to the System.err.</param>
   /// <returns>Returns whether opening the log file succeeded.</returns>
+  [DEPRECATED_ATTRIBUTE("SetFilePath is deprecated, please use Telegram.Td.Api.SetLogStream request instead.")]
   static bool SetFilePath(String^ filePath) {
     return ::td::Log::set_file_path(string_to_unmanaged(filePath));
   }
@@ -47,6 +50,7 @@ public:
   /// </summary>
   /// <param name="maxFileSize">Maximum size of the file to where the internal TDLib log is written
   /// before the file will be auto-rotated. Must be positive. Defaults to 10 MB.</param>
+  [DEPRECATED_ATTRIBUTE("SetMaxFileSize is deprecated, please use Telegram.Td.Api.SetLogStream request instead.")]
   static void SetMaxFileSize(std::int64_t maxFileSize) {
     ::td::Log::set_max_file_size(maxFileSize);
   }
diff --git a/tdutils/td/utils/port/CxCli.h b/tdutils/td/utils/port/CxCli.h
index 1c601add..6a47116b 100644
--- a/tdutils/td/utils/port/CxCli.h
+++ b/tdutils/td/utils/port/CxCli.h
@@ -23,6 +23,8 @@
 
 #define REF_NEW ref new
 #define CLRCALL
+#define DEPRECATED_ATTRIBUTE(message) ::Windows::Foundation::Metadata::Deprecated(message,\
+                                      ::Windows::Foundation::Metadata::DeprecationType::Deprecate, 0x0)
 
 namespace CxCli {
 
@@ -90,6 +92,7 @@ inline String^ string_from_unmanaged(const std::string &from) {
 
 #define REF_NEW gcnew
 #define CLRCALL __clrcall
+#define DEPRECATED_ATTRIBUTE(message) System::ObsoleteAttribute(message)
 
 namespace CxCli {