In this guide, we will walk you through the process of solving the 'g++ is not recognized as an internal or external command' error that you might encounter while working with the GNU Compiler Collection (GCC) on Windows. This error occurs when the system fails to find the
g++ executable, which is essential for compiling C++ code.
Table of Contents:
Step 1: Install MinGW
MinGW (Minimalist GNU for Windows) is a popular software distribution that provides a collection of open-source development tools, including the
g++ compiler, for Windows. To install MinGW, follow these steps:
Run the installer and choose the installation directory (by default,
In the MinGW Installation Manager, select the following packages:
Apply Changes and wait for the installation to complete.
Once the installation is complete, you should find the
g++ executable in the
Step 2: Set Environment Variables
To ensure that Windows recognizes the
g++ command, you must add the MinGW
bin directory to the system's
PATH environment variable. Follow these steps to update the
System Properties window by right-clicking on
My Computer or
This PC and selecting
Advanced system settings.
System Properties window, click on the
Environment Variables button.
Environment Variables window, find the
Path variable under the
System variables section and click on
Add the path to the MinGW
bin directory (by default,
C:\MinGW\bin) at the end of the
Variable value field, separated by a semicolon (
OK to save the changes and close all open windows.
Step 3: Verify Installation
To verify that the
g++ command is now recognized by your system, follow these steps:
Open a new Command Prompt window (press
Win + R, type
cmd, and hit
Type the following command and press
If the installation was successful, you should see the version number of the
1. Can I use a different compiler instead of MinGW?
2. How do I uninstall MinGW?
To uninstall MinGW, simply delete the MinGW installation directory (by default,
C:\MinGW) and remove the MinGW
bin directory from the
Path environment variable.
3. Can I install MinGW on a different drive or directory?
Yes, you can choose a different installation directory during the MinGW installation process. However, make sure to update the
Path environment variable accordingly.
4. How do I update the g++ compiler to the latest version?
To update the
g++ compiler, open the MinGW Installation Manager, select the
mingw32-gcc-g++ package, and click on
5. What other programming languages does MinGW support?
Apart from C++, MinGW provides compilers for other popular languages like C, Objective-C, Fortran, Ada, and others.