After contacting Alexander Osana from the Section student representative for Greece, Membership Cards will not be sent to Student Members this year, but you can print your card as follows.
Initially login to www.ieee.org/ with the codes you selected when registering. My Account shows you the following window where you select Membership and Subscription History from the menu on the left.
then shows you the Current membership profile and the subscriptions you have selected.
and to the left gives you the option Print your membership card where you will be opened with a pdf window containing your registration details and membership card where you can print or save them.