how to enable ctrl+alt+del logon in windows 7

Dear All,

If you want to Enable Ctrl + Alt + Del to logon in window 7, then follow given step

1. Press Window + R button (for Run Command)
   
2. Write netplwiz in textbox and click ok button.
   
3. Click the Advanced tab, select the Require users to press Ctrl+Alt+Delete check box, and then click OK.
   

Now Check your logon window it's change like you want.