Learn to create graphical user interfaces in Python using the Tkinter library in this comprehensive 4-hour tutorial for beginners. Master essential GUI elements including windows, labels, buttons, entry fields, checkboxes, radio buttons, scales, listboxes, message boxes, color choosers, text areas, file dialogs, menubars, frames, and tabs. Explore advanced topics such as grid geometry management, progress bars, canvas drawing, event handling for keyboard and mouse inputs, drag-and-drop functionality, image manipulation, and animations. Apply your newfound skills by building a functional clock program as the culminating project.