You must have an account with FedEx to use this module.
You will need to log in to your account to request a Key Production Web Services.
After completing the form, FedEx will display your key and a new meter number for you to copy. Write it down !. They will then email the account holder with the password.
After entering FedEx click here ( https://www.fedex.com/wpor/web/jsp/drclinks.jsp?links=wss/production.html ) to get the key.
01) Access the Control Panel >> Modules >> Shipping >> FedEx Web Service >> Install
02) Fill in the requested fields and click on the Update button