1. Download Google Chrome if you don't have it - http://www.google.com/chrome/ and install it.
2. Download the Google Chrome Channel Changer - http://dev.chromium.org/getting-involved/dev-channel from the Chromium Dev site.
3. Run the Channel Changed and select Dev.
4. Open Chrome, click on the little spanner icon and choose About Google Chrome. You will see a button in the bottom left saying Update. Click it.
5. Restart Chrome - now you have the latest Dev version - 2.0!
6. To check that it's working - hit F11 - you will have a frameless browser window!