Learn how to build a graphical user interface (GUI) application using Python's Tkinter library in this comprehensive video tutorial. Explore the fundamentals of Tkinter, create a weather application frame, connect it to a weather API, and convert the application to an executable file. Master essential Python skills while diving into topics such as adding buttons, organizing widgets with frames, customizing colors and layouts, implementing functionality, making API requests, formatting responses, and adding weather icons. By the end of this tutorial, gain the knowledge to create your own GUI applications and package them as executables using PyInstaller.