On 21st october,2009, the Windows 7 hit the shelves. With the vast improvements in Windows 7 over its predecessors, there are a lot of people to buy it. So learn more about upgrading to windows 7 and here I will tell something that may help you.

You can’t upgrade Windows XP to Windows 7 directly. Because the operating system has changed a lot between Windows XP and Windows 7 , and it is said that doing a fresh install when moving to a new operating system instead of in-place upgrading  can ensure the best performance and overall experience .

But If you’re a Vista user, you’ll be able to upgrade without doing a clean install, you can upgrade from Windows XP to Windows Vista, then upgrade the Windows Vista system to Windows 7.

If you are worried about losing access to some of your third-party accessories and software after upgrading. There is no problems, Microsoft created the Windows 7 Upgrade Advisor tool . The tool automatically scans your hardware and software and provides a report of any potential issues, as well as steps to resolve them, ensuring a satisfying Windows 7 upgrade experience.

As we know, to protect the operating system kernel, there are a lot changed with operating system, so the Windows XP-era security programs will not possible work in Windows 7. Fortunately, Microsoft provides enough security protection for free with Windows Defender, and moreover they released Microsoft Security Essentials antivirus program.

PC Scout,shipping with Windows 7, is a tool to help search for new computers based on your preferences. And it is said that all the computers listed in the database are all available for a Windows 7 upgrade. So if you have one computer in the database, you can upgrade the Windows 7 free.

At last, if you want to buy Windows 7 now, you can buy it on “7 Days of Windows 7″.They are offering Windows 7 discounts , which includes such as Best Buy, Dell and Acer. You can get it with a lower price.