How to enable Ctrl + Alt + Del key to Windows 7?
Go to the start icon.
search and type the netplwiz command.
The User Accounts box opens with two tabs: Users and Advanced.
Next select the advanced tab.
The secure logon feature will now be enabled when you check “require users to press Ctrl + Alt + Delete.”
This is nominal security to be sure, but if you want it enabled, it is easy to do.