This standard describes a basic procedure of digital transformation for the realization of new business models, digitized products, and processes. It is based on the coordinated interaction of people, technology, and organization. The realization of the transformation takes place continuously, iteratively and situatively in three steps: a) develop target image; b) design concepts; c) implement concept. The standard describes the special procedure for digital transformation for entrepreneurs in small and medium-sized companies and entrepreneurially managed institutions, irrespective of their sector. It provides guidance for managers. Personnel developers who want to formulate requirement profiles and employees are given an overview of the procedure.