How to operate computer There's a lot you can do with a computer, but if you're just getting started, it can seem pretty daunting. Luckily, computers have gotten simpler over the years, which means you don't need to be a tech whiz to learn your way around a PC or Mac. From setting up your new computer to safely browsing the internet and installing your favorite programs, this wikiHow teaches you the basics of using a Windows or macOS computer. Part 1 Part 1 of 5 1. Set up your computer . If you are setting up a new desktop computer, there are a few steps you will need to go through before you can start using it. After finding a place near your desk to put the tower, you will need to connect your monitor, keyboard, and mouse, as well as plug the tower into a power source.These are the only things required to be connected to the computer in order to use it. You can add more peripherals and accessories later.If you are us...