Yes, a user does need a user account to accest windows.
Explanation:
In order for them to access installation on their pc and can use microsoft or receive important reminders and emails. A user account is very important to help you with searching and as a convenient user you can update your pc if you have an acoount and can do whatever you want. In order to access some apps you need to make your account and so.
That's only base from what I know. I am not that expert but I hope it helps and gave you some ideas.
Answers & Comments
Answer:
Yes. Because it's part of windows protocol for security of the user.
Answer:
Yes, a user does need a user account to accest windows.
Explanation:
In order for them to access installation on their pc and can use microsoft or receive important reminders and emails. A user account is very important to help you with searching and as a convenient user you can update your pc if you have an acoount and can do whatever you want. In order to access some apps you need to make your account and so.
That's only base from what I know. I am not that expert but I hope it helps and gave you some ideas.