7. Convert optional images… If you are not satisfied with the existing icons, you can create your own. You can take an existing image and convert it to the ico format.

Apple makes it easy to change icons for files and folders on Mac. Here's how it works, along with tips on using images or changing the folder icon color.

If the macOS desktop is looking a little boring, or is in need of a little more personalization than a change of background image, one solution could be to change how files, folders, and apps look.