Windows 10: How to make it personal account instead?

So basically I used my old school computer and I completed a factory reset on it , i had this previous reason but my IT school department fixed it i cannot go to them as it is the school holidays and I am trying to make it a personal account but I cannot even get into the computer without putting in a work or school account. How do I make it let me sign in with a personal account instead

:)

 

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:

 

Sign in with a Microsoft account instead. Administrator account

I have Windows 10 Pro since its release. Today, I decided to switch the email account for the computer administrator account. The following steps outline the sequence of events;

1. I logged in as a local account.
2. Clicked on Sign in with a Microsoft account instead
3. Followed the steps prompted. I entered my email of choice and the corrected password, then verified through the authenticator app.
4. I was asked to enter the password again, and now I am getting an error message that the password is incorrect
   but the password is correct 100%
5. Researched possible solutions
   • Used the English (United States) keyboard
   • Used on-screen keyboard
   • Reverting to Windows 7 is not possible as I never had it on my laptop
   • Reset my password
     • Nth worked

Please help me sign to my email account on this computer as an administrator

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Solved - How to delete an account in Windows 10 mail

As of August 14, 2015, when following this process word-for-word it fails at step 4, "Sign In Locally" doesn't exist.

After step 3 there are the following options:

• Your account,
• Sign-in options,
• Work access,
• Family & others users,
• Sync your settings.

Suggestively, within "Your account" there is the option to "Sign in with a local account instead" whereby after entering your registered email-based User password there is the ability to enter in a new User Name, Password and Hint.

It seems as though to "Sign in with a local account instead" de-links a User's account from Microsoft's servers (while still being able to surf the internet).

Q1: But does it de-link email accounts connected to the Mail app and Outlook 2013 in Windows 10?

Personally, I am failing to de-link my personal Outlook from the
Mail and Calendar app. De-linking from
Outlook 2013 is easy, within Outlook 2013:

• go to "File", go to "Info",
• go to "Account Settings",
• go to "Account Settings Add or Remove Accounts..".

Q2: How do I de-link my personal Outlook from the
Mail and Calendar app?