Processor
1GHz or faster 32-bit (x86) or 64-bit (x64) processor

Video card
DirectX 9 graphics processor with WDDM 1.0 or later driver

Memory
1GB RAM (32-bit) / 2GB RAM (64-bit)

Hard disk
16GB available disk space (32-bit) / 20 GB (64-bit)
 

For some Windows Media Center functionality, a TV tuner and additional hardware may be required. Windows Touch and Windows Tablet require specific hardware.

HomeGroup requires a network and PCs with Windows 7.

Windows XP Mode requires an additional 1GB of RAM, an additional 15GB of available disk space, and a processor capable of hardware virtualization, with Intel-VT or AMD-V turned on.

Product functionality and graphics may vary based on your system configuration. Some features may require advanced or additional hardware.

DVD/CD authoring requires a compatible optical drive.

Depending on resolution, video playback may require additional memory and advanced graphics hardware.

Internet access required to use certain features (fees may apply).

Music and sound require audio output.

Some features in earlier Windows versions are not included in Windows 7. Get similar programs including Windows Live Mail™, Photo Gallery, Messenger and Movie Maker for free through Windows Live Essentials, at http://download.live.com.