If you really want to experiment, you can also install another Linux-based operating system like Ubuntu.
If you’ve had your Chromebook for a long time, it’s not a bad idea to research this ahead of time so you are well prepared for when Google stops sending security updates to your device as it no longer gets regular support.
Since Chrome OS is based on Linux, you shouldn’t have any problems with display or audio drivers keeping you from using and enjoying your device.
Click here for a ChromeUnboxed article called "3 WAYS TO INSTALL LINUX PACKAGES ON YOUR CHROMEBOOK" that explains the dpkg, APT and GDebi package managers.
The 'real' ChromeOS from Google is not available for download but this version of ChromeOS from Arnold is the nearest you'll get for deploying on your own [non-Chromebook] equipment.
See Special Builds with extra features
Two deployments are currently supported, x86 (32 bit) and amd64 (64 bit).
Download: The latest Chromium OS daily build and see the full Directory of recent builds here
For instructions on how to use the downloads, follow this link
Click here to learn how to run this version of ChromeOS from a USB drive.