Processor Required

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

Hard disk

16 GB available disk space (32-bit) / 20 GB (64-bit); for the download version, an additional 3 GB is required

Memory Required

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

Video card

DirectX 9 graphics processor with WDDM 1.0 or later driver

Other

Additional requirements to use certain features:

• Internet access (fees may apply)
• Depending on resolution, video playback may require additional memory and advanced graphics hardware
• For some Windows Media Center functionality a TV tuner and additional hardware may be required
• Windows Touch and Tablet PCs require specific hardware
• HomeGroup requires a network and PCs running Windows 7
• DVD/CD authoring requires a compatible optical drive
• Music and sound require audio output

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

Windows 7 Professional includes all the Home Premium features you love and the business features your work demands. Connect to company networks easily and more securely and share files across the various PCs in your home. In addition, you can run many Windows XP productivity programs in Windows XP Mode and recover your data easily with automatic back-ups to your home or business network.

Take a look at these highlighted features in Windows 7 Professional:

• Run many existing productivity and business programs designed for Windows XP— if not pre-installed, it can be downloaded free from Microsoft
• Back up your files to an external hard drive, secondary hard drive, writable CD or DVD, or to a network location
• Find virtually anything on your PC—from documents to photos to e-mail
• Take advantage of the powerful diagnostics and troubleshooters built into Action Center to resolve many computer problems on your own
• Use HomeGroup to connect your PCs running Windows 7 to a single printer
• Interact with any compatible device connected to your computer—see device pictures and status, and run common tasks from a single window

Running Windows Vista?
If you have certain versions of Windows Vista, you can purchase Windows 7 Upgrade versions. You can do a clean install (back up your files, clean install, and reinstall your applications) or an in-place upgrade (Windows 7 installs over Windows Vista).

Running earlier versions?
If you have Windows XP or a version of Windows Vista that cannot be upgraded to the version of Windows 7 that you want to install, you can purchase Windows 7 Upgrade versions. But you must back up your files, clean install, and reinstall your applications. If you’re running Windows 2000, a different operating system or have a computer that currently has no operating system, you’ll need to purchase the full product and do a clean install.