You should get an email saying this once your account is active:
Your account has now been set up for the forums, the store and the Toolbox.
Your username is:
Your Toolbox password is:
Feel free to change this password.
Let me know if you have any problems logging in.
Thank you for being a Tool!
Then your account should be active.
They have to activate the accounts manually so it may take a few days. Also they have been pretty busy with the holiday season.
If you got this email and are still having trouble logging in, then fill out a customer support form here http://www.erfworld.com/erfworld-customer-support-form/