System Requirements for Windows 7

If you want to run Windows 7 on your PC, here's what it takes:

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

■ 1 gigabyte (GB) RAM (32-bit) or 2 GB RAM (64-bit)

■ 16 GB available hard disk space (32-bit) or 20 GB (64-bit)

■ DirectX 9 graphics device with WDDM 1.0 or higher driver

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

■ BitLocker requires Trusted Platform Module (TPM) 1.2

■ BitLocker To Go requires a USB flash drive

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

■ Music and sound require audio output (Speakers)

For more information of different versions of Windows 7 and their differences click here