In order for the app to determine which keyboard layout it’s working with, you’ll need to tap a couple of keys.With all of that out of the way, you should now be at the Keyboard Setup Assistant screen.You’ll be prompted to repeat the above two steps with karabiner-grabber as well, unless that was the one you did first – in which case you’ll need to place a check next to karabiner_observer this time.Then place a check in the box labeled karabiner_observer (it may be karabiner-grabber, see next step). If the ‘lock’ icon is locked again, click it and enter your password.Next you’ll be presented with a Input Monitoring Permissions Alert window – click the Open Security & Privacy System Preferences button.Then click the Allow button next to the message System software from application “.Karabiner-VirtualHIDDevice-Manager.app” was blocked from loading. Click the ‘lock’ icon in the bottom left corner of the window and enter your password when prompted.Click the Open Security Preferences button when macOS tells you a System Extension has been blocked. The first time you run Karabiner-Elements you’ll have to grant it a bunch of permissions, but this is a one-time only thing.Once the installation has completed, run Karabiner-Elements.app from your Applications folder. Open it up and run the installer file, Karabiner-Elements.pkg. dmg from the Karabiner-elements home page. This guide will show you how to install Karabiner-Elements and remap keys on your Mac keyboard. You’ll need to be using macOS 11.0 (Big Sur) or 10.15 (Catalina) to use Karabiner-Elements.

Check out the full list of features here. It lets you remap keys (change keys to other keys) and more advanced things like changing the caps lock key to control+option+command. Karabiner-Elements is a “powerful and stable keyboard customizer for macOS”.

This guide will show you how to remap any of the keys on your Mac keyboard using a free and open source app for macOS.

Mac os karabiner