Help

I’ve made the relevant changes to hide the wp-includes carpte but it’s not really hidden, what do I do? You can watch the video here: https://drive.google.com/file/d/1RqW9k0tYnRiN9KHTtWQuWIjVxaW-Q4AB/view?usp=sharing also when I want to make the URL change login in admin shows me this: https://drive.google.com/file/d/1jiJniPGSLO7H-fGAs7aTNAS1rKtQ-0PG/view?usp=sharing is a lack of control, I do not know what’s happening … help!