Abstract: A system for individually adapted interactive training, knowledge maintenance and for offering knowledge support, said system including an apparatus (1) comprising means representing a software-based service, said apparatus being arranged in a communications network (2), to which network a user can connect by means of a user terminal (3) in order to utilise said service. A subject database (4), adapted for storage of data relating to said service, can be connected to said apparatus. Said apparatus comprises a processing means (5) functioning to process and convey data from the subject database to the user, whereby a registration means (6) is provided, functioning to register transactions performed by the user within said service, and to store transaction data in a knowledge database (7) comprised in the apparatus. Said processing means is, according to the invention, arranged to adapt said service to said user in dependence of transactions stored in said knowledge database.