You can setup Chromium OS in a virtual machine. So first go to the download site for Chromium OS and VMWare download for the VMWare Player. Now run the VMWare Player and click on "create a new virtual machine" and select "i will install the operating system later" and click next and then next.
Now during the installation, name your virtual machine and copy the location path and click next. Now after the few next screen, click on customize hardware then click on network adapter and choose bridge network in network connection and click ok. Now past the link which you had copied before and paste in my computer location path and there you need to past your Chromium OS file. Now you can login in your Chromium OS.