How to lock Windows 10 and turn off the display with one click

In Windows 10, you can lock your current session for security reasons using the Win + L shortcut. If you have not changed the default power management settings, the display will be turned off after 10 minutes. Windows does not provide a native way to turn off display directly on demand by running a command or pressing some button. If you are leaving your PC for a long time, you might want to lock your PC and turn off the monitor instantly with one click.