diff --git a/.gitignore b/.gitignore
index d06df06..b32943f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -28,5 +28,3 @@ lib/
 
 # Application bundle for Mac OS
 *.app/
-
-!tar.exe
\ No newline at end of file
diff --git a/downloader.pas b/downloader.pas
index 19c39c9..d5c373f 100644
--- a/downloader.pas
+++ b/downloader.pas
@@ -1,6 +1,6 @@
 program downloader;
 
-uses fphttpclient, base64, opensslsockets, fpjson, jsonparser, SysUtils, process, Classes;
+uses fphttpclient, base64, opensslsockets, fpjson, jsonparser, SysUtils, process, Classes, libtar;
 
 const
   authString = '***REMOVED***';
@@ -50,11 +50,17 @@ end;
 
 procedure extractTar(fileName: String);
 var
-  s: AnsiString;
+  tarFile: TTarArchive;
+  tarContent: TTarDirRec;
 
 begin
   writeln('start extract tar');
-  RunCommand('tar.exe', ['-xf', fileName], s);
+  tarFile := TTarArchive.Create(fileName);
+  while tarFile.FindNext(tarContent) do
+  begin
+    tarFile.ReadFile(tarContent.Name);
+  end;
+  tarFile.Destroy;
 end;
 
 procedure copyFile(oldFile, newFile: AnsiString);
@@ -122,6 +128,7 @@ begin
       tarFile := downloadGameTar(client, gameId);
       extractTar(tarFile);
       proccessHashFiles;
+      DeleteFile(tarFile);
     end
     else
     begin
@@ -132,5 +139,6 @@ begin
   begin
     WriteLn('No game id was given');
   end;
+  readln;
 end.
 
diff --git a/tar.exe b/tar.exe
deleted file mode 100644
index d528bd3..0000000
Binary files a/tar.exe and /dev/null differ