diff --git a/BoerseDataConvert/BoerseDataConvert/Model/Params.cs b/BoerseDataConvert/BoerseDataConvert/Model/Params.cs
new file mode 100644
index 0000000..8229839
--- /dev/null
+++ b/BoerseDataConvert/BoerseDataConvert/Model/Params.cs
@@ -0,0 +1,13 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace BoerseDataConvert
+{
+    class Params
+    {
+
+    }
+}
diff --git a/BoerseDataConvert/BoerseDataConvert/Properties/launchSettings.json b/BoerseDataConvert/BoerseDataConvert/Properties/launchSettings.json
new file mode 100644
index 0000000..1f48802
--- /dev/null
+++ b/BoerseDataConvert/BoerseDataConvert/Properties/launchSettings.json
@@ -0,0 +1,8 @@
+{
+  "profiles": {
+    "BoerseDataConvert": {
+      "commandName": "Project",
+      "commandLineArgs": "-i TestData-2021_07_02.zip -d input -o output -t \"D:\\Code\\ИТ Кариера\\Стаж\\github\\BoerseDataConvert\\tags.txt\""
+    }
+  }
+}
\ No newline at end of file
diff --git a/BoerseDataConvert/BoerseDataConvert/Views/Program.cs b/BoerseDataConvert/BoerseDataConvert/Views/Program.cs
index 166a9ec..0204e89 100644
--- a/BoerseDataConvert/BoerseDataConvert/Views/Program.cs
+++ b/BoerseDataConvert/BoerseDataConvert/Views/Program.cs
@@ -38,13 +38,13 @@ namespace BoerseDataConvert
 
             try
             {
-                CheckFreeDisk(outputDir);
+                CheckFreeDisk(zipFile, outputDir);
                 ZipExtract(zipFile, inputDir);
             }
             catch (Exception e)
             {
                 Console.Error.WriteLine(e.Message);
-                Environment.Exit(0);
+                Environment.Exit(Environment.ExitCode);
             }
 
             // only read filenames
@@ -82,17 +82,19 @@ namespace BoerseDataConvert
             Console.WriteLine("-h or --help - Prints this message");
             Environment.Exit(0);
         }
-        static void CheckFreeDisk(string outputDir)
+        static void CheckFreeDisk(string zipFile, string outputDir)
         {
             double gibibyte = 1073741824;
             DriveInfo driveInfo = new DriveInfo(Directory.GetDirectoryRoot(outputDir));
             double availableSpace = driveInfo.AvailableFreeSpace;
-            Console.WriteLine($"INFO: {availableSpace / gibibyte}GiB available");
-            if (availableSpace < 2147483648)
+            FileInfo fi = new FileInfo(zipFile);
+            double checkedSpace = fi.Length * 100;
+            if (availableSpace < checkedSpace)
             {
                 Environment.ExitCode = 3;
-                throw new IOException($"ERROR: Insufficient disk space, {availableSpace / gibibyte}GiB less than 2GiB");
+                throw new IOException($"ERROR: Estimated required space: {checkedSpace / gibibyte:f2}GiB. Available: {availableSpace / gibibyte:f2}GiB");
             }
+            Console.WriteLine($"INFO: {availableSpace / gibibyte:f2}GiB available");
         }
         static string[] InputValidate(string[] args)
         {