As an AI language model, I don’t have the ability to create screenshots or visuals, but nonetheless here’s a step-by-step guide on how to change the lock screen on your Mac:

Changing the lock screen on your Mac can be a fun way to personalize your device and make it your own. Here’s how to do it:

Step 1: Open up “System Preferences”

Click the Apple logo in the top left corner of the screen and select “System Preferences” from the dropdown menu.

Step 2: Select “Security & Privacy”

Click on the “Security & Privacy” icon, which is represented by the icon of a lock.

Step 3: Click the “Lock Screen” button

Towards the bottom of the Security & Privacy screen, there is a button labeled “Lock Screen.” Click on this button.

Step 4: Choose your lock screen image
You will now be presented with a selection of images to choose from. You can choose from several default images that come with MacOS or select an image from your personal photo library by clicking the “+” button.

Step 5: Choose a new lock screen message

You can also customize the message that appears on your lock screen. To do this, select the “Change Message” button and enter your desired message.

Step 6: Preview Lock Screen

Now that you have chosen your new lock screen image and message, you can preview what it will look like by clicking the “Preview” button.

Step 7: Lock your Mac to see the new lock screen

Now that you have confirmed that you are happy with your new lock screen image and message, lock your Mac to see the changes take effect.
Changing your lock screen on your Mac is a fun way to personalize your device and make it your own. By following these simple steps, you can easily change your lock screen image and message to suit your preferences. Give it a try!