If you want some guidance on how to delete your Yahoo account. You can follow the below steps to delete a Yahoo account.
1. Go to Yahoo's official page and open the "delete user" page and put your username. Press Next

2. Enter your password. If you have an Account Key setup, Yahoo will send a message to your mobile phone to authenticate you.

3. "Read the text on the page before continuing," consider the following information. "When you delete your Yahoo mail account it shows what you will lose. Press continue

4. Enter your email address once more into the field provided.

5. Select Yes, terminate the yahoo account.

6. Now your account has been deleted permanently and you can go to the home page.

In this way, you can easily delete your Yahoo account. But if you are not able to do it on your own, then you may reach https://www.waybinary.com/how-to-delete-yahoo-account and get help.