Learn to create graphical user interfaces (GUIs) in Python using PyQt5 and PyQt6 in this comprehensive 1.5-hour tutorial. Explore essential concepts from creating windows and adding labels and buttons to implementing object-oriented programming principles. Master QT Designer for efficient GUI development, and dive into advanced features like menubars, dialog boxes, and image handling. Gain hands-on experience with user input, signals and slots, layout management, and various widgets including date, calendar, and progress bars. Conclude by learning how to convert Python scripts to executable files using PyInstaller, equipping you with the skills to develop professional-grade desktop applications.