1. Get quicker access to all of your stuff
use Pin and Jump Lists to keep the programs and files you use the most right at your fingertips.

2. Manage open windows more easily
resize and arrange windows simply by dragging their borders to the edge of your screen.

3. Quickly find what you’re looking for
use Windows Search to find a specific file, program, or email in a few seconds.

4. Share files and printers among multiple PCs
from one Windows 7 based PC to another, you can share files, music, photos, and even printers across your home network.

5. Stay entertained effortlessly
with Windows Media Center you get one place to enjoy your photos and music, watch and record live TV, and watch free Internet TV.

6. Easily create and share movies
create great looking movies and slideshows and share them on YouTube in minutes.

7. Connect to networks easily
view and connect to any available wireless network in as few as three clicks.

8. Do more and wait less
improvements that can accelerate sleep and resume and make your PC more responsive help you get more done.

9. Touch and tap rather than point and click
Windows 7 makes PCs with touch screens easier and more intuitive to use.

10. Manage devices more easily
manage printers, cameras, music players, and other devices from a single, consistent place.

Read more about Windows 7