Please note: Additional hardware may be required. Not available in all countries.

http://windows.microsoft.com/en-US/windows7/products/system-requirements

Where nothing comes between you and a world of opportunities. With Windows on your mobile phone, PC, or the web, walls begin to disappear—at home, at the office, and anywhere in between. Balance work, life, fun, and functionality. That's Windows. Life without walls. You told us what you wanted in the next version of Windows and we listened. Get a look at the operating system you helped design.

Windows 7 simplifies everyday tasks

Desktop Introducing improved taskbar previews, bigger icons, pinning, and creative ways to personalize.	HomeGroup Takes the headache out of home networking, so it's easier to share files and printers.
Snap A quick (and fun) new way to resize and compare windows on your desktop.	Windows Live Essentials Must-have software for your PC—free! Get Mail, Photo Gallery, and other favorites.
Jump Lists Speedy access to your favorite pictures, songs, websites, and documents.	Windows Search At last, searching your PC is as simple as searching the web.

Windows 7 makes new things possible

Easier wireless networking Windows 7 gets you online in fewer clicks.

Windows Media Center Watch, record, and pause live TV (additional hardware required).

Windows Touch Pair Windows 7 with a touch-sensitive PC and you won't always need a keyboard or mouse.

Windows 7 works the way you want

Performance improvements It's designed to sleep and resume quicker, be less memory hungry, and spot USB devices faster.

Power management New power-saving features are designed to help laptops run longer.