Yes. Chromium is on your computer! Even if you dont have a CR-48 laptop or their latest chromebook!
Hexxeh (Hex-Sea) has created Chromium for all users. How do i get it up to my laptop?

TOOLS THAT YOU NEED:
2GB and above USB DRIVE

STEP 1:
Download the file.

The file is only 216 MB. No need to worry. :D
DOWNLOAD HERE: http://distribution.hexxeh.net/archive/vanilla/0.13.509.2011_05_13_1651-rea12b5d9/ChromeOS-Vanilla-0.13.509.2011_05_13_1651-rea12b5d9.tar.gz



STEP 2:
Format Your USB DRIVE


Use the formating tool on your windows by right clicking on your USB drive and press FORMAT.


STEP 3:
Extract the file from your computer


PLEASE use WINRAR to extract it as it is easy.


STEP 4:
Insert/Inject the image to your USB DRIVE


You will need to insert/inject the image to your USB drive. You will need to use the WIN 32 Image Writer. Download Link below.

Download Link:
https://launchpad.net/win32-image-writer/


STEP 5:
Boot the image.

After you have done those, restart your computer and go to your boot menu, F12 for most computers.
A boot menu

And go under USB Drive for most computers, or Removable Devices.



STEP 6:
Enjoy...

Here's something you will get after that..

File:Chromium OS Screnshot.png



AND REMEMBER, to reboot back to windows, just on the computer as usual.

FAQ

HOW TO REMOVE CHROMIUM FROM MY THUMBDRIVE?
Please use HP FORMAT UTILITY: http://www.pcworld.com/downloads/file/fid,64963-order,4-c,peripherals/description.html to format because if you format normally, the size of your thumbdrive will be smaller than usual.

MY PC doesnt support booting on a USB DEVICE. HELP?

Yes! You can download the: PloP Linux Boot Manager. This is a bootable CD image. Once it boots it will provide a menu allowing you to select your USB device to continue booting. It can also be booted from floppy and a few other options.