You can view your active Support Tickets, or create a new one, from the My Tecplot dashboard. If requesting a new license key, please be sure to include the relevant license number and host information of the machine, preferably in the form of the myhostids.txt file. When received by Support, they will respond with your new key and any answers to your questions.
Installing Tecplot software creates a myhostids.txt file with the host information specific to your machine. The host information is needed to request a key for your license manually. You can manually ask a new to activate your Tecplot software.