1 Press the Win + R keys to open Run, type netplwiz into Run, and click/tap on OK. 2 Click/tap on the Advanced tab, and check (on) or uncheck (off) the Require users to press Ctrl+Alt+Delete box under Secure sign-in for what you want set, and click/tap on OK. (see screenshot below) If the Require users to press Ctrl+Alt+Delete setting is grayed ... More @Wikipedia
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