Cửa sổ Tkinter có title bar. Đổi title: win.title("New Title") hoặc win.wm_title("New Title") (Window Manager).
Ví dụ
from tkinter import *
win = Tk()
win.geometry("700x350")
win.wm_title("My Window")
Label(win, text="Hello, Welcome to Tutorialspoint...", font=('Calibri 24')).pack()
win.mainloop()
Kết quả
Cửa sổ tiêu đề "My Window" thay vì mặc định "tk".

wm_* methods: wm_title, wm_geometry, wm_iconbitmap, wm_attributes, wm_state (zoomed, iconic, withdrawn).