Computer software is a set of instruction sequences for a computer. The software constitutes the computer program
It can be, for example, a word processing program or a video game. It is the “software” in English, as opposed to the “hardware”.
The notice of the software are written in a language understandable by a computer, the “binary” language. They are stored as a set of files in the computer’s memory.
The codes of a software are protected by copyright like a literary creation. The design of computer software is most often the work of a team.
There are “system” software (for example Windows, Linus…) and “application” software (for example an antivirus, a compacting software such as WinZip, a teaching or tutorial software, a game software…).