How to turn on hidden administrator account Windows 10

How to turn on hidden administrator account Windows 10
During Windows installation user creates first account. It is main account, admin account by default. Windows creates two additional, built-in accounts. Guest account and administrator account. They are inactive by default.
There are easy way to activate administrator and guest account. To do that open your main user account, right click on start button and choose Command Prompt (Admin) and type:
net user administrator /active:yes
to turn off admin account
net user administrator /active:no
You can do that also in Computer Management, Local Users and Groups, Users. Right click on Administrator, choose Properties, and here you can disable or enable administrator account.
You can do the same to guest account.

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In Win 10 it's now the windows power shell (admin) you have to use