After CloudReady is installed, your computer will be shut down automatically. Once it is shut down, turn it back on and go through the GUI Setup Process.

Select your keyboard layout, region, time zone, and language. You will then have to select your WiFi network or connect to Ethernet (if applicable). Then, you will be asked to enter your Google username and password. After this, enjoy using Chromium OS. I will be making an article on what to do on Chromium OS that you can refer to if needed.