Anything you can do in a Chrome internet browser with Windows, you can do on Chrome OS. Programs you rely on outside of your browser on a PC don’t usually work with Chrome OS unless there’s an app that’s compatible.
For example, there are no true replacements for Photoshop, but apps like Pixlr are very similar. For non-professional designers who need basic photo-editing software, these apps can serve as adequate substitutes.
While Chrome OS is essentially a glorified internet browser, it features some extra capabilities to elevate it beyond a simple way to surf the web. For a feel that’s similar to a Windows desktop, you can use Chromebook offline which has more than 200 web apps that work on the Chrome OS.