You'll go to
$1 and create your account using your partner numbers! I would do a little bit of research on the 401k, I've been hearing recently that a ROTH account may actually be more beneficial in the long run, which is interesting to me. :)
Also, to be eligible for any benefits, including stock, etc., you must be with Starbucks for 90 days. The one year mark is when you start to accrue vacation time!
Hope this helps, and welcome back!!