I write a simple .c file for the program and using the g++ compiler in terminal ... and see it run. Right now its a simple .c file but to finish the project I need to make .h and .cpp files ...

A CPP file contains C++ programming code you must compile before you can run the file's code on your Windows system. You use Visual Studio to compile the CPP code on Windows. The compiling process ...

This version of C++ contains special functions and objects to handle the Windows environment. These files, stored as CPP files ... express compiler from Microsoft in order to run compilation ...