diff --git a/tutorials/hello-world.cs b/tutorials/hello-world.cs
new file mode 100644
index 0000000..fb45d6c
--- /dev/null
+++ b/tutorials/hello-world.cs
@@ -0,0 +1,16 @@
+ // primeros paso
+Console.WriteLine("hello world!");
+string name = "bill";
+Console.WriteLine(name);
+name = "maria";
+Console.WriteLine(name);
+name = "marcos";
+Console.WriteLine("hola " + name);
+name = "juan";
+Console.WriteLine($"hola soy {name}");
+
+// Convinacion entre cadenas
+string fristname = "marcos";
+string secondname = "antonio";
+Console.WriteLine($"mi primer bre es {fristname} and {secondname}");
+Console.WriteLine($"mi nombre es {fristname} y tine {fristname.Length} letras");
\ No newline at end of file