.NET Tutorial | Hello World in 5 minutes
dotnet.microsoft.com › en-us › learnCongratulations, you've built and run your first .NET app! Edit your code. Open the Program.cs file in any text or code editor, such as Notepad or Visual Studio Code. The Program.cs file is located on the newly created MyApp directory. Then, add the highlighted line after the code that prints "Hello, World!", like the following: Program.cs.