Educational licenses are available for educational institutions, libraries, and non-profit organizations.
It depends. As a general rule, standard licenses are for home users, and professional licenses for power users and companies.
You don't have to, but if you do, you will be able to use any new versions of the software that may be released during your support period, either minor updates or full new releases for free. And, of course, receive fast tech support.
You still will be able to use your purchased version for as long as you like. But you will not get support, and you will have to purchase a full-priced license to upgrade in the future, when your support period expires.
No, but it's recommended.
Yes, of course. Fast tech support is included.
