The WFOT website includes information and online publications. To set up your account for the first time, follow the path "Membership > Already a member? > Set up your account online." Your membership number is the same as your AOTA membership number (less the leading zeros) which can be found on your membership card.
Please note that WFOT information is updated every Sunday. If you join WFOT Monday-Saturday, your WFOT membership will not be available until the following week.