Basic Overview for Windows 8
The interface is comprise of the live tiles or apps that are running and are updated real time. You can easily navigate around using the arrows on your computer. When you go to the right portion, you will see the programs installed on your computer. You can also easily search for anything on your computer or through the Internet. If you are so used to the start button, there is an option to enable it to make it look exactly like on Windows 7.
Most programs that worked with Windows 7 will most likely to work with the new Windows 8. There aren't many differences there, however if you're upgrading from XP, you won't be able to keep your programs but you will be able to keep your programs if you're upgrading from windows 7. You can also keep your files if you are upgrading from any previous version of Windows.
Why switch to Windows 8? One reason why you should is, Windows 8 runs much more smoother and requires less processing power. Upgrading to Windows 8 is ideal if your computer runs sluggish, do a reformat and start from scratch with the Windows 8. You will see a big improvement with regard to the performance. Another great feature is the built-in antivirus called "Windows Defender". Windows 7 has a windows defender, but it's not as good as it is on Windows 8. You can still use a different antivirus like AVG, just make sure to turn the Windows defender off to avoid security clash.
These are just a basic Introduction of Windows 8 and reasons why you should upgrade. Let me know your thoughts about Windows 8 and whether you're going to use it or not. Leave a comment below.