Custom Admin | Type: PHPCustom Text in Admin Footer

This replaces the “Thank you for creating with WordPress” message. Add to the theme functions file.

/*** customize admin footer text ***/
function custom_admin_footer() {
   echo '<a target="_blank" style="font-weight:bold; text-decoration:none;" rel="noopener">GET WEBSITE SUPPORT</a>';
}

add_filter('admin_footer_text', 'custom_admin_footer');