There are different operating computer systems.
Computer software is nothing but lines of instruction built in a construct and syntax that is particular to tell the hardware what to do.
Computer software is defined as instructions built in a specific way with a specific syntax that ends up telling hardware what to do.
Today, a person can find a computer anywhere, whether it is at home, at a friends place, or even at work because they have become very useful to different people.
Hard drives are storage media used to store private files like videos, music, documents, etc.