How to enable or disable CTRL + ALT + DEL logon requirement in Windows 8.1 and Windows 8

Early Windows versions like Windows XP or Windows 2000 came with the classic logon dialog, for which the user could turn on the requirement to press CTRL + ALT + DEL shortcut keys together before logging on. In modern versions of Windows, the classic logon dialog was removed, however, it is still possible to enable the CTRL + ALT + DEL requirement. If you turn this on, you must press these keys before you sign in or unlock your PC. Follow these simple instructions to turn on this feature.

ctrl+alt+del windows 8.1
To enable the secure logon prompt with Ctrl+Alt+Delete, you need to do the following steps.

  1. Open Registry Editor
  2. Go to the following key:
    HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon

    Tip: How to jump to the desired registry key with one click.

  3. Create or modify the DisableCAD DWORD parameter. Set it to 0 to enable secure logon prompt with Ctrl+Alt+Delete. Set it to 1 to disable it and restore defaults.

Alternatively, you can do the the same using the control userpasswords2 command.

  1. Press Win + R shortcut keys together on your keyboard. This will open the Run dialog.
    Tip: See the ultimate list of all Windows keyboard shortcuts with Win keys.
  2. Type the following in the Run box:
    control userpasswords2

    Press Enter.

  3. The User Accounts window will be opened. Switch to the Advanced tab and tick the checkbox Require users to press Ctrl+Alt+Del to enable the secure logon prompt.

If you use Winaero Tweaker, you can enable the enable Ctrl + Alt + Del logon requirement by ticking the appropriate option under the Boot and Logon section:

It is very easy and doesn't require any additional commands or Registry editing.

That's it.

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