Program written by programmers (like – people like you and I, just clever :-)), and so – just as we want to get money for their work. Creating a program – is convincingly process rather quickly and you can write (if you know the language programming), but the process of debugging it can take a long time. Price of the program (software) depends on its functionality, the complexity of the tasks, the skill of the programmer (depends on speed its operation, reliability, vulnerability to external shocks and other parameters). For example, MS Windows, MS Office, Kaspersky Anti-Virus, etc. These programs are called commercial.
Software is intellectual property Developer and distributed via licensing agreements. This right is protected by the law of Ukraine "About copyright and common law." According to this law, the owner of the program does not transfer rights to the program, and rezreshaet use it a certain period of time specified in the agreement. Some points of agreement are described on the box, which comes in support of the program's documentation. The main points of agreement as you will see when installing the program, and if you do not take them, the program will not install (at the right place you need to install a tick 'I agree'. Violation of the agreement may lead to deprivation of support, to stop the update, and then ugovnoy to justice. Pirated software are not always exact copies of original programming. Typically, a software developer puts the copy protection of his or unauthorized use.