C++ is a high-level programming language that is widely used for developing various applications, including video games, operating systems, and scientific applications. One of the first programs that a programmer writes when learning a new programming language is the "Hello World" program, which simply displays the message "Hello World" on the screen. In this article, we'll go over how to write your first C++ program, the "Hello World" example.

To write a C++ program, you'll need a compiler and a text editor. A compiler is a software that translates your code into machine code, which can be executed by a computer. A text editor is a program where you can write and edit code. Some popular text editors for C++ programming include Visual Studio Code, Sublime Text, and Code::Blocks.

Once you have your compiler and text editor installed, you can start writing your "Hello World" program. To do this, open your text editor and type the following code: 

#include 

int main() {
  std::cout << "Hello World" << std::endl;
  return 0;
}

This code uses the #include preprocessor directive to include the iostream header file, which contains the cout function. The cout function is used to display the message "Hello World" on the screen. The endl at the end of the line is a newline character, which causes the next output to be displayed on a new line.

Finally, to run your program, you'll need to save the code to a file with the .cpp extension and compile it using your compiler. The exact steps for compiling your code will vary depending on the compiler you're using, but in most cases, you can compile it by right-clicking on the file and selecting "Compile" or by using the command line.

Once the code is compiled, you can run the program, and you'll see the message "Hello World" displayed on the screen. Congratulations! You've just written your first C++ program. Now you're ready to start learning more about this powerful programming language.