How to Install New Operating System Without Having to Reinstall Applications Installed on Previous Operating System

1. Open the drive in which your windows is installed. Go to program files, click open and you get a list of software installed (applications) on your computer.
   
   
2. Now the software folders which start with "windows" caption are system files and need not be moved as they come pre-installed with the operating system.
3. And the softwares which require a certain registration or key's can't be moved directly as that of those which don't require any type of key for this you require a software named

How to Install Google Desktop 2

Google released the Google Desktop v2 beta in August 2005. The product has been applauded by both the Wall Street Journal and the New York Times. Download it, and see what all the excitement is about! 

Edit Steps

1. 1
   Surf to http://desktop.google.com/ where the application can be downloaded in a file about 1/3 the size of a typical MP3 song (1.3 mb)
   
   
2. 2
   Click on "Agree and Download" to agree to the passable privacy policy and terms of use. Users concerned with privacy will want to set their preferences as described in steps 5 and 6 below. Save the folder on your desktop.