1. Open the Tik Tok application and go to the home page.

2. Find the "More" icon (usually a three-point icon) on the right side of the navigation bar above the home page.

3. Click "More" to enter the navigation bar settings page.

4. In the navigation bar settings page, you can see all the function button icons, and make personalized settings by opening or closing the corresponding switch buttons. Open buttons will be displayed in the navigation bar at the top of the home page, while unopened buttons will be hidden in more options.