Open your file in a text editor (like Notepad or Notepad++ ) and ensure it contains valid C++ code. A basic example to test your setup:
Install Xcode Command Line Tools by running xcode-select --install in your terminal. 3. Compile and Run via Command Line New Text Document (2).cpp
Search for cmd (Windows) or Terminal (Mac). Open your file in a text editor (like
Type the following command to create an executable named myprogram : g++ "New Text Document (2).cpp" -o myprogram Run the Program: Windows: Type myprogram.exe and hit Enter. Mac/Linux: Type ./myprogram and hit Enter. 4. Alternative: Use an IDE (Recommended) New Text Document (2).cpp
You need a compiler to transform your .cpp file into an executable .exe file.
Use the cd command to go to where your file is saved: Example: cd Desktop