diff --git a/C#/1. hello world/main.cs b/C#/1. hello world/main.cs
new file mode 100644
index 0000000..35ecd69
--- /dev/null
+++ b/C#/1. hello world/main.cs	
@@ -0,0 +1,13 @@
+using System;
+
+namespace HelloWorld
+{
+    class Main
+    {
+        static void Main(string[] args)
+        {
+            Console.WriteLine("Hello World!");
+            Console.ReadKey();
+        }
+    }
+}
\ No newline at end of file