How to hide Admin menu bar in WordPress

1.) Log in to your WordPress admin portal
2.) From the WordPress menu on your left, go to → Appearance → Theme File Editor.
3.) Find the Theme Files on the right side of your screen and click functions.php.
4.) Scroll down to the end of the page and paste the following code:

/**
* Hide Admin Bar
*/
add_filter(‘show_admin_bar’, ‘__return_false’);

5.) Click the Update File button to save the changes.