import customtkinter app = customtkinter.CTk() # create CTk window like you do with the Tk window (you can also use normal tkinter.Tk window) app.geometry("400x650") app.title("test_vertical_widgets") app.grid_columnconfigure(0, weight=1) app.grid_rowconfigure((0, 1, 2, 3), weight=1) progressbar_1 = customtkinter.CTkProgressBar(app, orient="horizontal") progressbar_1.grid(row=0, column=0, pady=20, padx=20) progressbar_2 = customtkinter.CTkProgressBar(app, orient="vertical") progressbar_2.grid(row=1, column=0, pady=20, padx=20) slider_1 = customtkinter.CTkSlider(app, orient="horizontal", command=progressbar_1.set, button_corner_radius=3, button_length=20) slider_1.grid(row=2, column=0, pady=20, padx=20) slider_2 = customtkinter.CTkSlider(app, orient="vertical", command=progressbar_2.set, button_corner_radius=3, button_length=20) slider_2.grid(row=3, column=0, pady=20, padx=20) app.mainloop()