Check this box only if your application requires an embedded Chromium-based web browser. Leaving it unchecked reduces total installation size significantly.
A declarative framework for building fluid, highly animated user interfaces, ideal for touchscreens and modern applications.
Corporate environments, air-gapped networks, or unreliable internet connections make online installers a nightmare. This EXE is a self-contained 2.3 GB file that carries everything needed for a base Qt 5.15.2 installation.
Run release\hello.exe .
Choose the versions of MinGW (e.g., MinGW 8.1.0) or Microsoft Visual Studio (MSVC 2015/2017/2019) that match your existing IDE toolchains.
Many industrial, automotive, and medical devices still rely on Windows 7 or Windows Embedded, where Qt 6 is not supported. Qt 5.15.2 runs flawlessly on older OS versions (with appropriate runtimes).
Before running the executable, it helps to understand exactly what is contained inside this specific 2.5GB+ installer package: Specification Qt 5.15.2 (Open Source Edition) Architecture qt-opensource-windows-x86-5.15.2.exe
To save disk space, select only the specific components your project requires.
Many legacy Windows DLLs (especially for serial communication, custom USB devices, or old database drivers) are only available as 32-bit builds. Mixing 64-bit Qt with 32-bit vendor DLLs is impossible. This installer ensures binary compatibility.
Once installed, let us verify the toolchain works. Create a simple file, main.cpp : Check this box only if your application requires
Would you like help with installing or using that specific EXE file?
Add these to your system PATH :
The installer will then proceed with the installation process, which may take a few minutes to complete. Once the installation is complete, click "Finish" to exit the installer. Choose the versions of MinGW (e
Click and wait for the extraction process to finish. 💻 Environment Configuration 1. Setting Up Windows Environment Variables