: During installation, ensure you select a desktop version of Qt (e.g., Qt 6.x for MinGW or macOS). This will automatically install the designer.exe (or Designer.app on Mac) tool alongside the IDE. 2. Standalone Download for Python Users

: Download and run the online installer for your OS (Windows, Mac, or Linux).

If you don't need the full 2GB+ Qt Creator IDE, you can download a lightweight standalone version of Qt Designer. Qt Designer vs Qt Quick Designer vs Qt Creator?

The most common way to get Qt Designer is by installing Qt Creator , which is the full Integrated Development Environment (IDE) that includes Qt Designer built-in.

Qt Designer is a powerful, user-friendly tool for creating graphical user interfaces (GUIs) using a simple drag-and-drop interface. Whether you are a Python developer or working with C++, getting the (free download) is straightforward through several official and community-supported methods. 1. Download via Qt Creator (Official Method)

: Go to the official Qt website and select the "Open Source" version.