Software (noun)

1. A set of instructions or programs that tell a computer what to do, as opposed to the physical components of the computer itself (i.e., the hardware).
2. Computer programs and related data that provide the instructions for telling a computer what to do and how to do it.

Origin:

From the late 17th century, the term software referred to instructions for a computer. the term was coined as a play on the word hardware, which refers to the physical components of a computer system. the word was first used in this sense in english in the mid-20th century.

Examples:

1. I am going to install new software on my computer.
2. The company is developing new software for mobile devices.
3. He's an expert in software engineering.
4. The software is easy to use.
5. The software provides all the necessary tools for the job.