A compiler needs an editor. You can pair MinGW Portable with standalone text editors to build a completely mobile IDE. Visual Studio Code Portable Download the VS Code "Windows User" or "ZIP" archive.
Do not place your portable folder inside directories with spaces (like C:\Program Files ). Many GNU build tools break when handling spaces in file strings. mingw portable
Using MinGW Portable typically involves a slightly clunky workflow compared to an installed IDE: A compiler needs an editor
If you want to customize your portable development workflow further, let me know: Which you plan to pair with the compiler mingw portable