import tkinter import customtkinter # <- import the CustomTkinter module customtkinter.set_appearance_mode("System") # Modes: "System" (standard), "Dark", "Light" customtkinter.set_default_color_theme("blue") # Themes: "blue" (standard), "green", "dark-blue" root_tk = customtkinter.CTk() # create CTk window like you do with the Tk window (you can also use normal tkinter.Tk window) root_tk.geometry("400x300") root_tk.title("CustomTkinter Test") def button_function(): print("Button click") def slider_function(value): progressbar_1.set(value) def check_box_function(): print("checkbox_1:", checkbox_1.get()) frame_1 = customtkinter.CTkFrame(master=root_tk, width=300, height=260, corner_radius=15) frame_1.place(relx=0.5, rely=0.5, anchor=tkinter.CENTER) label_1 = customtkinter.CTkLabel(master=frame_1) label_1.place(relx=0.5, rely=0.1, anchor=tkinter.CENTER) progressbar_1 = customtkinter.CTkProgressBar(master=frame_1) progressbar_1.place(relx=0.5, rely=0.25, anchor=tkinter.CENTER) button_1 = customtkinter.CTkButton(master=frame_1, corner_radius=10, command=button_function) button_1.place(relx=0.5, rely=0.4, anchor=tkinter.CENTER) # button_1.configure(state="disabled") slider_1 = customtkinter.CTkSlider(master=frame_1, command=slider_function, from_=0, to=1) slider_1.place(relx=0.5, rely=0.55, anchor=tkinter.CENTER) slider_1.set(0.5) entry_1 = customtkinter.CTkEntry(master=frame_1) entry_1.place(relx=0.5, rely=0.75, anchor=tkinter.CENTER) checkbox_1 = customtkinter.CTkCheckBox(master=frame_1, command=check_box_function) checkbox_1.place(relx=0.5, rely=0.9, anchor=tkinter.CENTER) root_tk.mainloop()