Windows 10: how do I add my college account to my laptop,I tried it but it resulting in error

Hi , I want to add my college account to my laptop with windows 11,when I'm trying to connect my college email, after entering the email and password a message pop on the screen as " hold while your company for register, after that a error message open on the screen.Also I added the screen shot of it.please explain me about how to fix this issue?As soon as possible

:)

 

Remove and replace old college Microsoft account from laptop

I purchased a laptop in college and set up using my college Microsoft account. That account no longer exists. I am trying to disconnect it from my laptop, but it requires a password. I do not know that password, and the account doesn't technically exists anymore so I cannot reset that password. I tried going to the command prompt and deleting it from accounts, but there is says "Microsoft can't delete an account that is already signed in." I tried setting my new microsoft account up as an admin and it still won't let me delete the old one. Is there a way to fix this? I am running Windows 8

 

Child Account Get Greyed Out

Thanks for the suggestion, but I did the following instead.

I have another laptop, 2 weeks old, with Windows 10 Home on it.

On that one, I tried the same steps with the child account, and got the exact same results.

 

Remove account

I suggest you backup your personalized files first before removing the account.
To delete an account, follow these steps:

1. Press WIN + X keys and click Command Prompt (Admin) from the menu.
2. Type the following command and press Enter. Replace test with the name of your sister's account. Code: