If we look at the hardware as the body of a computer, then for software we could say that it is the heart of the computer.
According to the officially accepted definition, software is a computer program or a set of programs whose role is to issue commands to the computer regarding the way it should perform certain tasks. So, software contains all those programs and data contained in one computer, and the basic components of the software most often include a certain operating system.
As we told the hardware is made up of all the components that are tangible, for the software we can say that it is made up of all the components that are not tangible, but without which a particular computer, tablet, or mobile phone cannot function.
In the modern world, the term software often refers to a special type, the so-called application software. However, if you mention this term to someone who deals with programming, for example, he will almost certainly think of all the information by which a particular computer can function.
System software is just one of the types of software. System software is in fact all those programs with which a particular computer works. This type of software is essential for the operation of hardware and the entire computer system within a particular device. System software includes, first of all, an operating system (e.g. Windows operating system), various drivers, a GUI (graphical user interface), and numerous auxiliary programs. In most cases, with a purchased computer you get already embedded system software. By definition, system software serves to communicate directly with the hardware of a particular device, in order to allow its smooth functioning.
The other type of software is the so-called application software. Its basic purpose is to enable the execution of certain tasks, using various programs contained therein. In addition to having various programs, application software usually includes a specific web browser and can include also computer games, databases, and special software, such as mathematical, communication, business, medical, or some other software that is narrowly specialized in a particular field. Also, the application software can contain special software for processing documents as well as video materials, photos, and sound.
Developers mostly use the so-called programming software, mainly when creating and modifying another program. Programming software mainly includes a number of tools by which developers create other programs.
With all of the above types of software, there is also a special software that can be in the form of an application or program, which is known as a software tool. With the help of this special type of software, developers and encoders, but also hackers, have the ability to remove all irregularities and improve the performance of certain software. It is quite clear that if hackers use this kind of software, they actually bring in irregularities in the work of certain software. Taking into account that each software can be written with only one, but also with multiple programming languages, where each of these languages requires its own software tools, the tool palette in a specific software tool is essential. These are usually text editor (whose primary purpose is to edit plain text files), debugger (this tool first serves to remove any errors that have arisen due to the operation of some other programs), linker (tool by which the program or programs generated by the compiler are compiled into an executable program known as an exe program), but also compiler (in short, a program translator by which a particular computer program is "translated" from one into another programming language) and interpreter (whose basic function is to execute a code written in a particular programming language). Depending on the needs of a particular software, these tools can be combined, creating an IDE (Integrated Development Environment), which makes it much easier to perform certain tasks.
The term computer software implies software that is placed most often on the hard disk, or in the memory of a particular computer. In order for the computer to execute the command given to it by computer software, it is necessary to forward it to applications, and then they, using the system software, forward the instructions to the hardware when the instruction in the form of a machine code is obtained. Using computer software, various operations are performed, such as changing the instruction control flow or data transfer.
The so-called software licenses, or licenses for using certain software, may be free, while some may be charged. Often, with these licenses that are charged, there is a possibility of free use for a certain period of time, usually for 15 to 30 days. These are the so-called free trial versions. Some versions of the software, the so-called commercial software, are legal for use only with the license being purchased.