import tkinter import customtkinter # <- import the CustomTkinter module customtkinter.enable_macos_darkmode() customtkinter.set_appearance_mode("System") # Other: "Dark", "System" (only macOS) root_tk = tkinter.Tk() # create the Tk window like you normally do root_tk.geometry("400x240") root_tk.title("CustomTkinter Test") def button_function(): print("button pressed") def slider_function(value): progressbar_1.set(value) frame_1 = customtkinter.CTkFrame(master=root_tk, width=300, height=200, 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=0.5, anchor=tkinter.CENTER) slider_1 = customtkinter.CTkSlider(master=frame_1, command=slider_function) slider_1.place(relx=0.5, rely=0.7, anchor=tkinter.CENTER) entry_1 = customtkinter.CTkEntry(master=frame_1) entry_1.place(relx=0.5, rely=0.85, anchor=tkinter.CENTER) root_tk.mainloop() customtkinter.disable_macos_darkmode()