List of installed applications

Sometimes there is a need to find information about what software is installed on your computer. For example, we want to know, if anyone has already installed the program and where it is installed. This knowledge is needed, example, if you add a file to a directory with the program already installed. The simplest example is to write different kinds of plugins. The problem does not occur if the application has been installed in the default directory, we know, but this can no longer guarantee. […]