

If you require a password to unlock your Mac immediately after it’s put in sleep mode as we covered earlier, you can just click “Sleep” in this same menu.

To do so, just click the Apple icon at the top left, and then select “Lock Screen.” You can also easily lock your Mac from the Apple menu. You can also press Command+Shift+Q, but this completely logs you out, which means any applications you were running will also close. RELATED: The Best macOS Keyboard Shortcuts You Should Be Using You can just press Command+Control+Q to lock your Mac. The runner up for the simplest way to lock your Mac is via the keyboard shortcut. When you open it again, you’ll have to type your password to access the computer and its data. For instance, if you're using a web browser app and you hit the back button repeatedly, you may just shuffle back through your browsing history, making little progress in terms of actually closing the app.The simplest way to lock your Mac is to simply close the lid.


However, most (though not all) apps are designed so that if you hit the back button until you can't go back any further, you'll eventually exit the program you're using. Normally, the "back" key in the virtual taskbar (which is in the bottom left of the screen and looks like a U-turn symbol) takes you to the page you were looking at before the current one.
