: The Qt offline installer provides the Qt framework libraries, but it does not always bundle the host system's C++ compiler. Ensure you have Visual Studio (with C++ desktop development workload) installed on Windows, or build-essential / g++ installed on Linux. 2. Failure to Activate License Offline
Install local build tools (CMake, Ninja, and a compiler like GCC, Clang, or MSVC). Configure and compile the source:
Many users have noticed that the Online Installer is the only prominent option on the main website nowadays. If you require the for an air-gapped installation or to maintain static library versions, here is the current workflow:
Microsoft Visual Studio (MSVC 2019 or 2022) with C++ desktop development workloads, or MinGW. Qt6 Offline Installer
As noted by experienced developers, "Folders should always be placed into the same path as teacher's PC. The softlink tool 'junction.exe' can help them to place Qt Directory to D:\Qt and junction a softlink in C:\Qt when C:\ is too small for Qt."
The offline installer contains a fixed set of components. Check the boxes for the items you need:
Commercial users benefit from full access to offline installers through their Qt Account, providing a seamless installation experience that includes all Qt6 modules, tools, and documentation in a single, self-contained package. : The Qt offline installer provides the Qt
: For specific older versions or source packages, users might find files on the Qt download page , but these typically do not include full pre-compiled binaries for the entire framework in the way older 5.x offline installers did. Use Cases and Benefits
FROM ubuntu:22.04 COPY qt6-offline-6.6.0.run /tmp/ RUN /tmp/qt6-offline-6.6.0.run --accept-licenses --confirm-command --install
| Mirror | URL | Features | |--------|-----|----------| | Tsinghua University | mirrors.tuna.tsinghua.edu.cn/qt | Full version archive, daily sync, HTTP/FTP support | | Tencent Cloud | mirrors.cloud.tencent.com/qt | CDN acceleration, up to 10MB/s download | | Aliyun | developer.aliyun.com/mirror/qt | Multi-thread downloads via aria2, IDE packages | Failure to Activate License Offline Install local build
Navigate to (or Tools > Options depending on your OS).
From an internet-connected machine, visit the official Qt archive or GitHub repository and download the source package (e.g., qt-everywhere-src-6.x.x.tar.xz ). 3. Configure and Build