Individual needs and expectations of a customer are possible to be fulfilled as long as there is complexity of products involved. By such term as product complexity, each computer user is enabled to obtain the version that corresponds with his needs and expectations at the utmost. There is a general tendency of perceiving the originality of a license as the essential element and the key feature. Nevertheless, the fact of being an original and licensed product of a particular company is not the only characteristic feature that has to be taken into consideration when obtaining a license. Every type of license enables the user to gain specific and openly defined rights.