Know Your Hardware

Microsoft has published minimum hardware requirements for the retail editions of Windows 7 (Home Premium, Professional, and Ultimate). The specifics are listed in Table 2-1 . Note that RAM and disk space requirements are slightly higher for 64-bit versions of Windows 7 .

Table 2-1 Windows 7 Hardware Requirements


Minimum System Requirement

Processor (CPU)

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


1 GB RAM (32-bit)

2 GB RAM (64-bit)

Graphics processor

Support for DirectX 9 graphics with WDDM 1 . 0 or

higher driver

Hard disk

16 GB available disk space (32-bit)

20 GB available disk space (64-bit)

A DVD or other optical storage device is optional but useful for many tasks . For most everyday tasks, you'll also need a mouse or other pointing device, a keyboard, audio playback capabilities, and internet access. In addition, certain Windows 7 features require additional hardware, such as a television tuner card (for viewing and recording television in Media Center).

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