Download the standalone offline executable (e.g., .exe for Windows, .run for Linux). Method 2: Creating a Local Mirror (Open Source Workaround)
Full, official standalone offline installers for Qt6 are exclusively available through the commercial Qt Account Portal. These packages include all binaries, tools, and documentation in a single executable or disc image ( .iso ).
Read and accept the license agreement. For open-source users, ensure you understand the obligations of the LGPL/GPL licenses.
cd C:\Qt\6.6.0\msvc2019_64\examples\quick\helloworld qmake nmake .\release\helloworld.exe
| Aspect | Online Installer | Offline Installer | |--------|-----------------|-------------------| | | Small (a few MB) | Large (several GB) | | Network Requirement | Requires active connection during installation | No network required | | Component Selection | Choose components interactively | All components bundled; limited selection | | Updates | Can update via Maintenance Tool | Cannot update; requires fresh installer | | Best For | Regular updates, selective installations | Air-gapped systems, reproducible builds |
Ensure a C++ compiler (like GCC, Clang, or MSVC) and CMake are pre-installed. Configure the build using CMake. Compile and install the binaries locally. Step-by-Step Installation Process
a custom offline installer for your own application using Qt6, you should use the Qt Installer Framework (IFW) QT6 Offline Installer - Qt Forum
As of the latest releases:
Finding a standalone, traditional offline installer for Qt 6 requires navigating some specific licensing and community-driven paths. This guide covers how to locate, download, and set up Qt 6 for offline environments. The Shift in Qt 6 Distribution
Navigate to your desired version (e.g., 6.5/6.5.3/ ).
Before downloading the source code, ensure your offline machine has the following tools installed: (Version 3.16 or newer) Ninja or Make build systems
Understanding the current landscape of Qt offline installers requires acknowledging a significant policy change that occurred in 2020.
The Qt Company is moving toward a . Offline installers may become a commercial-only feature in future Qt6 versions (beyond 6.8). Already, open-source users face friction:
While the Qt Company has made it harder to find and use open-source offline installers, the tools to create your own remain powerful and free. Take control of your Qt6 distribution. Stop letting a flaky internet connection or a broken CDN decide your productivity.
