Windows 8.1 is the most recent Operating System designed by the Microsoft Company after Windows 7. Windows 8 shares many common features with Windows 7, but this is not all you need to know. There are many different items and features added to Windows 8.1 than what you know on the previous versions of Windows. The previous versions of Windows are based on the desktop technology, but Windows 8 uses what is known as the "Start Screen" not the Start Button as in other Windows. There is no Start Button icon in Windows 8.o (But 8.1 has) and this is one reason this guide was written. Starting to use a new product is like starting from zero level. But with this simplified guide to Windows 8, you will learn the main features of Windows 8 and you will love this guide.