The Trading Room
Enter your username and password at the bottom of this page and click "Login".
Click "Access Trading Room" in the left column of the next page.
When you log in for the first time only, you will select a screenname. Use something that is not identifiable to you. You do not need to remember this screenname.
Click "Trading Room Link" on the next page, and the trading room will open in a new browser window or browser tab.