It’s better if you ask on the original question and ask question about what you don’t understand. No need to feel embarrassed we all had to learn at the beginning. Because you ask a new question people like myself will see it’s just a time clock you need and refer you to the other post.
I don’t think you need the punch editor.
There is one that does exactly what you want and works well, it includes a database tools file which you can just import.
I have some scripts I made as well that automate the creation / update of employee entities from users on V5. I’m on my mobile at the moment I’ll share them with you later.