If you just purchased a great new Chromebook or already have one, you should know you don't need to stick with how it looks by default. You can customize it to suit your needs. Asides from the basics like downloading apps from the Google Play Store, you can tweak the wallpaper, pin your favorite apps to the shelf, and even create folders in the ChromeOS launcher. Here's a look at those three ways to make your Chromebook your own.