What is the difference between the perpetual and the annual licensing option?

After the purchase of the Perpetual License it can be used without time limit, but after the first year neither support nor software update can be claimed (before the expiration of the first year the support and the update can be further extended).

Within the Annual Subscription the system must be renewed for a discounted price every year. This price includes the continuous updates and the use of new versions, and a certain amount of support services until the lease agreement is valid.