he differences between Windows Vista and Windows XP are the start menu,the icon and screensaver. Therefore, you have to change the appearanceof these features. At first, you have to download a few software. Theyall are free. These software will help you to change your computer'sappearance from XP to Vista. After the transition, you can only find afew differences. Here is the list of software that you need. Click tofollow the link of each software.Vista Start MenuVista Screensaver Ported to XP
Folder Icon Changer
After downloading, you can start with your changing process. There are three steps:
Step1: At first, download and install Vista Start Menu. It is only about1MB. Besides changing your start menu to Vista style, this softwarehelps to set up hotkeys for shut down and restart. You can also changethe font size in start menu.
Step 2: Now, download VistaScreensaver zipped folder. In Windows Vista, there are four differentscreensaver styles: Aurora, Bubbles, Mystify and Ribbons. To use thesescreensavers, you have to unzip the downloaded folder (file type is.scr) to C:WindowsSystem32 in your Window XP system. Right click onyour desktop and choose "Properties". Choose "Screensaver" tab. Pickyour Vista screensaver and click OK. You can also check file *.txtenclosed in the zipped folder to know how to make your screensaver workas you want.
******You can also try this link************** (click here
or if you just want to Install Vista completly you can do this (only if you have the Vista DVD/CD OS) (click here