It only takes a few clicks to change the lock screen on your Mac to any custom image you'd like ' as long as it's a PNG.To do this, you can either change your desktop background, or replace a file in your Mac's "Desktop Pictures" folder.Visit Business Insider's homepage for more stories.Customizing the various features on a Mac computer can be a fun way to make it feel more like your own.You can change the desktop background or icons, as well as the lock screen wallpaper, so your Mac truly feels like home.This can be handy, especially if you live or work in a place where multiple people use the same kind of Mac.Here's how to change the lock screen picture on your Mac.Check out the products mentioned in this article:MacBook Pro (From $1,299.99 at Best Buy)How to change the lock screen on your Mac computerFirst of all, find an image that you want to use as your new lock screen. Make sure it's a .png file, and fits the resolution of your computer.The easiest way to change your lock screen is to change your desktop background. By default, your desktop and lock screen are linked, so changing the desktop will change the lock screen.For information on how to do this, check out our article, "How to change your desktop background on a Mac computer to any image, in 4 different ways."There's also a more complicated way to change just your lock screen, and keep your desktop the same.1. Open your image of choice using Preview ' if that isn't your default viewer, simply right-click the image and select "Open with" and then "Preview."2. Rename the image as "lockscreen.png" by double clicking the name at the top of the Preview window.3. Open the Finder in the dock at the bottom of your screen.4. In the top toolbar, select "Go" and then "Go to Folder."5. Enter "/Library/Caches" in the pop-up window that appears and click "Go."6. Click open the folder "Desktop Pictures" and then another folder inside with a name that is made up of a series of numbers and letters.7. Drag the image you want to use as your new lock screen into the folder and replace the original image, which should also be named "lockscreen.png."You'll see your new lock screen image the next time you log into your Mac after a restart or shut down.However, keep in mind that if you change your desktop background in the future, it will replace your lock screen image as well.Related coverage fromHow To Do Everything: Tech:How to stop the 'spinning wheel' on your Mac computer in 2 waysHow to change the color of a folder on your Mac computer, to customize your desktopHow to update the Safari browser on your Mac computer by installing the latest version of macOSHow to switch users on a Mac computer in 3 different waysHow to create a new user on your Mac computer, so multiple users can have their own profiles and privacySEE ALSO:These 2 cases will keep any MacBook protected for under $25Join the conversation about this storyNOW WATCH: People are still debating the pink or grey sneaker, 2 years after it went viral. Here's the real color explained.
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