Choosing the software you need, is one of the important decisions. Assuming that you have decided to the shop for operating system for your computer, you will need to decide whether you want to use the Mac or a Windows operating system. Both perform similar tasks, though they are different in their appearance and functionality. Many users think Mac OS X is more stable, secure and easier to use than Windows. This debate aside, Windows is compatible to more number of gadgets people need to connect with computers, such as mobile phones, sat-nav systems and portable media players to name just a few.