In the domestic download mode, open the app store that comes with the mobile phone, click the search box at the top of the main interface of the app store, and enter the national karaoke. In the options that appear below, click the national karaoke option, and in the installation interface that appears, click Install at the bottom of the national karaoke, and then download it after the installation is completed. Then select Open at the bottom, select Agree in the pop-up application protocol window, and finally select the login method. Take QQ as an example, select QQ login at the bottom, click QQ authorization login, and finally select QQ authorization to enter the national karaoke interface.