Windows 7 provides lots of new features along with a newly designed interface. It looks very similar to Windows Vista but there are many GUI changes like redesigned taskbar, Explorer, new boot screen and login screen, etc.
If you are still using Windows XP but want to enjoy the new Windows 7 look, then this tutorial will definitely help you.
After following this tutorial, you'll get the same Windows 7 look in your Windows XP. Following is a list of things which are going to change after following this tutorial:
Windows Theme or Visual Style
Icons Boot Screen
Login Screen or Welcome Screen
Cursors Taskbar
Wallpaper Progress Dialog Box
Shutdown / Log off Dialog Box
About Windows Box
System Properties Dialog Box
Volume Control Window Extras like "Aero Shake", "Aero Snap", "Aero Peek", "Calculator" and "Paint"
A Few Other Mods...