How to Delete the Built-In Windows 10 Administrator Account

 If you’re reading this post, that means you are probably concerned about security for your Windows 10 box. And, that’s a good thing. A healthy dose of skepticism, coupled with a dash of paranoia, will serve you well if you want to make sure your Windows 10 system is as secure as possible.

If you didn’t already know, Windows 10 – like previous versions of the OS – ships with a default Administrator account that is by all accounts essentially a “Super Admin” account capable of performing virtually all admin tasks – save for running Windows Store apps and a few other things. Still, using the built-in Administrator account, you can delete users or access their files – even those accounts and files of other administrators.

Go straight to the tutorial.

But, the Built-In Administrator Account in Windows 10 is Disabled

Yes, by default, the built-in Windows 10 administrator account is disabled. But there are many ways to enable it and potentially put your machine at risk. In fact, the built-in admin account in Windows 10 does not even require a password. If you enable the built-in Windows 10 administrator account by choice, you should always create a strong password to use with it.

I won’t go too much into how to enable the built-in admin account. If you do choose to do so, there are hundreds of how-to tutorials all over the Web. Just Google it. There is no real reason to enable the built-in Administrator account in Windows 10, though – unless you forget the password for your own Administrator account. However, therein, lies the problem, the built-in account can be used to remove or reset your password, and then access your files. What’s worse is the fact that a savvy user need not even be able to log in to Windows 10 to totally take over your account – even if the default admin account is disabled.

Breaking into A Windows 10 Administrator Account: Much Easier Than You Think

With nothing more than a generic Windows 10 installation disc or USB flash drive, one can enable the built-in Administrator account – with a little simple trickery – and then use it to lock you out of your own system, or worse, access your private and sensitive files.

I won’t go into detail about how this done (again, just use Google,) but suffice to say that it requires little more than renaming a single file via the command prompt (which is available when you boot from a Windows installation disc or bootable USB flash drive.)

While setting a strong password for the built-in Windows 10 administrator account will certainly help protect you, it’s probably wiser to just get rid of the account completely. I mean, after all, you don’t really need it, and adding a password just means something else you have to remember or keep track of.

How to Remove the Windows 10 Built-in Administrator Account

If you search on the Internet, you’ll find plenty of sites and forum posts that tell you that you can’t “delete” a built-in Windows account (Administrator or otherwise.) And, when using conventional account deletion methods (see below,) this is true. But…

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Note that using the standard “net user /del” command doesn’t work for built-in Windows accounts.

By using a very simple registry hack, though, you can delete the built-in Administrator account, as well as the other Windows 10 built-in accounts (i.e. Default Account and Guest Account.) So, with that in mind, let’s learn how to delete the built-in Windows 10 Administrator completely (it’ll only take a minute or two.)

Note: Before deleting the built-in administrator account, you should back up your Windows Registry or Create a Restore Point (or both.) If you don’t do at least one of these things, you will not be able to restore the built-in Windows 10 administrator account later – should you choose or need to do so.

Step 1 – Press the “Win + R” keys to display the Run box prompt. Type “regedit” into the “Open” field, and then click “OK” or press “Enter.”

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Step 2 – In the Registry Editor window, navigate to the “Computer\HKEY_LOCAL_MACHINE\SAM\SAM” folder.

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Step 3 – Right-click the expanded “SAM” folder, and then click “Permissions” on the pop-up context menu.

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Step 4 – In the “Permissions for SAM” window, select the “Administrators” group. Then, enable the “Full-Control” and “Read” options under the “Allow” header and click “OK.”

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Step 5 – Click “View” on the Registry Editor window menu bar, and then click “Refresh.”

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Step 6 – Expand the subfolders underneath the “SAM” folder until you come to the “Names” folder. Expand the “Names” folder to reveal the list of user accounts on the system. Right-click the “Administrator” folder, and then click “Delete” on the pop-up menu.

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That’s it. The Windows 10 built-in Administrator account has been deleted.

Verify Administrator Account Deletion

Now, if you want to verify that the built-in admin account has indeed been deleted, you can do so in a couple of ways.

The first way is to open a command prompt (Win + R), then type “cmd” and press “Enter.” After the command prompt window opens, type “net user” and press “Enter.” Windows will display a list of all accounts on the system. Please note that the Administrator account is no longer visible (because it’s gone.) This command will list all accounts on the system – even if they have been disabled. So, you can rest assured that the built-in account is indeed gone.

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You can also verify that the built-in Windows admin account is gone by opening the Computer Management console in Windows 10. To do this, open a new “Run” command prompt (“Win +R”.) Type “compmgmt.msc” and press “Enter.” Then, click “Local Users and Groups” and select the “Users” folder. Again, note that the “Administrator” account is not visible.

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If you want, you can use the same process to delete the Default Account and Guest Account in Windows 10 as well. And, if you’re ultra-paranoid about your Windows 10 security, it might not be a bad idea. Those accounts, though, are very limited and not able to perform the same sneaky and invasive tasks as the built-in Administrator account.

Well, there you have it. You have now taken another step in locking down your Windows 10 computer by ensuring that no one can use the built-in admin account to take over your account or steal your data. Are there other ways to break into Windows 10? Well, yeah; but, that’s for another day.

Until then, stay safe and keep your data secure!

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