To enable or disable a built-in administrator in Windows 10 Professional, go to the Start menu and choose “Computer Management.” Expand “Local Users and Groups,” then “Users,” then “Administrator.” Select the “Administrator” and then right-click over it and select “Properties.
Click on Manage another account. If prompted, use the administrator account’s password to log in. Select the account you wish to remove (Microsoft admin account). Click Remove this account.
On the bottom left, locate Users & Groups. Select the padlock symbol. Enter your password. On the left side, select the admin user and then choose Delete User from the drop-down menu. From the list of choices, choose one, and then Delete User is selected.
On the other hand, if you are attempting to log into an account as a normal user and get prompted for a password, then your account is locked out because it has been deleted. You can change your account back to standard by going through the following steps: Remove all personal information from Google accounts on Mac or PC; it’s safe to remove yours?
All data stored in an admin account is erased when you remove it. For example, you will lose your documents, photos, music, and other items on the PC of the account.