Hi, I think there has been a misunderstanding there.
Linux needs "SU" command, yes, because it is used to switch from normal user to Root user (the equivalent of Administrator on Windows). if you use the Linux as Root user, you won't need "SU" command anymore and accessing sensitive information on your Linux won't ask you for any passwords.
it's the same on Windows. if you log in as a normal user, you WILL be asked for Administrator (the equivalent of root in Linux that needs SU command). but if you are logged in as Administrator in the first place, you won't be asked for Administrator password again.
Linux and Windows work the same way in this case.
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@HotCakeX I have a question though. Can I make a local user account along with an administrative account at the configuration time of windows 10 when I boot the computer for the first time? Or do I have to do it later when the configuration is done and windows is loaded on the computer with an administrative account? Because on Linux you have to create a local user account and superuser account during the Linux OS installation time.
It's Also possible to do it if you are trying to deploy Windows 10 on lots of machines, so you will create a Windows 10 installation image that is pre-configured with user accounts and settings (usually configured to be used in a company's environment).
but if it's a personal PC and you're installing an original Windows 10 image, then it won't be possible, have to be done right after you finish installation.