All the essential Qt tools for all stages of Software Development Lifecycle: planning, design, development, testing, and deployment.

The Future of Digital Experiences Welcome to the documentation pages for Qt, the cross-platform software development framework.

Qt为软件开发全周期各阶段提供全套必备工具：规划、设计、开发、测试与部署。

A collection of code samples and tutorials are provided with Qt to help new users get started with Qt development. These documents cover a range of topics, from basic use of widgets to step …

You can use Qt Online Installer and Qt Maintenance Tool via a graphical user interface or a command line interface. The command line interface enables installing and uninstalling without …

Qt Online Installer lets you install only the modules and tools you need to develop for a specific desktop platform and deploy your applications to desktop platforms, mobile devices, …

Qt (pronounced as "cute", not "cu-tee") is a cross-platform framework that is usually used as a graphical toolkit, although it is also very helpful in creating CLI applications.

Qt's support for different Windows platforms is extensive and mature. To download and install Qt for Windows, follow the instructions on the Getting Started with Qt page.

Qt Online Installer has both the latest released version of Qt Creator and a beta version or a release candidate of the upcoming release, depending on the release cycle.

Learn how you can use the Qt framework under both open source and commercial licenses. Download Qt for open source development and get started today!