How to 'Control+Alt+Delete' on a Mac computer, and force quit unresponsive apps

If you're wondering how to do the equivalent of a PC's "Control+Alt+Delete" function on a Mac, here's how you can force quit ...

How to log off a Windows 10 computer in 4 different ways

You can log off Windows 10 in four different ways to put your computer into a password-protected screensaver mode.