What are the hardware system requirements for the Windows® 7 operating system?

The minimum hardware system requirements for the Windows® 7 operating system are as follows:

For the 32-bit version:

1 GHz processor
1 GB of RAM
16 GB of available disk space
DirectX® 9 graphics device with WDDM 1.0 or higher driver

For the 64-bit version:

1 GHz 64-bit compatible processor
2 GB of RAM
20 GB of available disk space
DirectX® 9 graphics device with WDDM 1.0 or higher driver