This friendly guide is for anyone who Wants to explore computers for the first time Has a PC that uses Microsoft Windows 98 or higher as the operating system Uses a computer, but is in the dark about all it can do Unlike other tools that have definite purposes, a computer can do a number of different things, solving an infinite number of problems for an infinite number of people. Just about anything that can be done with words, numbers, information, or communication can be done with a computer.