How to Lock Screen on Mac With a Keyboard Shortcut (Step‑by‑Step) 2026

In this quick tutorial, I’ll show you how to lock your Mac screen instantly using your own custom keyboard shortcut. Instead of clicking menus or waiting for the screen saver, you can create a simple Automator action and assign it to any shortcut you like. I’ll walk you through creating the Quick Action, saving it, and adding the shortcut inside macOS settings so you can lock your screen in one second. Tags mac, macos, macbook, lockscreen, shortcut, keyboardshortcut, automator, apple, security, howto, tutorial, quickguide, productivity, tech