Install CentOS on VirtualBox

STEP1: Install MagicDisc

MagicDisk is freeware. It is very helpful utility designed for creating and managing virtual CD drives and CD/DVD discs. For anyone who deals with CD-based programs it is a MUST. MagicDisc allows you to use almost all CD/DVD image without burning them onto CD or DVD in order to easily access your favorite games, music, or software programs ---- It works like a real CD/DVD-ROM: You can run programs, play games, or listen to music from your virtual CD-ROM. Allowing you to run your game images at over 200x faster than from a conventional CD/DVD-ROM. MagicDisc is a powerful utility that uses a unique combination of options to ensure a perfect back-up every time. Partner with MagicISO, Your original games/program discs can be safely stored away, MagicISO mean that you always have your expensive media stored safely as CD/DVD image file on your hard drive, and use them with MagicDisc just like using the original discs. At the office: Program discs and many other applications generally require the original disc to be in the computer's CD-ROM drive. This restricts the amount of people in your office who can have access to the same software at the same time without the cost of additional discs. MagicDisc virtual drives resolve that problem for you. No more hunting around the offices for that elusive disc you need to run your application, everything you require is just a click away.

Download MagicDisk and install.

STEP2:Install VirtualBox

A virtual machine provides a platform for your machine to execute and support a complete operating system. In other words, it is like having an operating system installed on your computer that can be accessed as if it were just another program. Setting up a virtual machine is actually really easy. The first thing to do is to download the VirtualBox platform. Go to VirtualBox download area and pick the version that matches your computer. You are selecting the version that will be installed on your computer. So if your computer is a Windows computer, select the Windows version.