diff --git a/helloworld/Program.cs b/helloworld/Program.cs
new file mode 100644
index 0000000..131fcd6
--- /dev/null
+++ b/helloworld/Program.cs
@@ -0,0 +1,13 @@
+// See https://aka.ms/new-console-template for more information
+// Console.WriteLine("Hello, World!");
+
+namespace CSD
+{
+ class App
+ {
+     public static void Main()
+     {
+	 System.Console.WriteLine("Hello World with C#");
+     }
+ }
+}
diff --git a/helloworld/helloworld.csproj b/helloworld/helloworld.csproj
new file mode 100644
index 0000000..2150e37
--- /dev/null
+++ b/helloworld/helloworld.csproj
@@ -0,0 +1,10 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net8.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>