Windows 10

Microsoft's latest operating system for personal computers and tablets, featuring an A.I. assistant to help you manage your life

Ubuntu

Linux distro designed to work every bit as effectively on the desktop as it does on servers

Android

Google-based mobile operating system for phones, tablets and other devices

Windows 7

An older version of the popular Windows operating system that has since been upgraded repeatedly

Windows 8

A major release of the most popular operating system with Live Tiles and touchscreen optimizations

CentOS

Server operating system that aims for 100 percent Red Hat package compatibility

Apple OS X El Capitan

Darwin-based operating system update for Macintosh computers that adds new features and accessories

Apple OS X Mountain Lion

System software 10.8 updater that can completely wipe an existing Macintosh clean and allow you to do a fresh install

macOS Sierra

System software updater for macOS 10.12, which allows users to upgrade or do a completely fresh install

Linux Mint

Community-driven operating system distro that provides a traditional and slick desktop environment