Click on the wireless icon located in the top right of the menu bar
Choose GCS (Note: Greenwood is the old / unused SSID, GCS is the new wireless network)
Enter your username (firstname_lastname) and password and click Connect
A security alert may appear. Make sure you Accept / Connect again!
Tip: It may take a minute. Because many users are registering at once, you may need to try again if it doesn’t work the first time.