Single License - Allows 1 Developer to use the product
Team License - Allows up to 4 Developers to use the product
Site License - Allows an unlimited number of developers at single physical addresses to use the product
WorldWide License - Allows an unlimited number of developers at an unlimited number of locations to use the product

Run-time royalty free.

The Subscription Program period lasts 12 months. The program starts automatically on the day of purchase. You are able to get all minor and major versions of the product absolutely free. You get priority technical support. This means that all your inquiries are moved to the top of the list. If you do not renew your Subscription you can continue using the product.