When you press the¬†Ctrl¬†+¬†Alt¬†+¬†Del¬†keys in Windows, it will open the¬†Ctrl+Alt+Del¬†security screen that provides the¬†Lock¬†computer,¬†Switch user,¬†Sign out,¬†Change a password, and open¬†Task Manager¬†options. You will also have the¬†Network,¬†Ease of access, and¬†Power¬†menu buttons available on this screen.
When you lock the computer, you will be taken to the lock screen by default to unlock and sign in when ready to continue where you left off. Other users can still sign in to their accounts from the sign-in screen.
This tutorial will show you how to add or remove the¬†Lock¬†computer option from the¬†Ctrl+Alt+Del¬†screen for all or specific users in¬†Windows 7,¬†Windows 8, and¬†Windows 10.