Windows 7 Hardware Requirements
Operating systems work properly only when you install them on computers that meet the
minimum hardware requirements. You should remember that these requirements are just
for the operating system itself, but most people want to do more than just run an operating
system: they also want to run applications. Applications require memory and storage space
beyond that of the operating system minimum requirements. As someone who may be
responsible for making recommendations about the specifications of computer hardware that
your organization will purchase, you need to take into account the hardware requirements of
the operating system and the applications that will run on it, not just the operating system
itself. Windows 7 Starter and Windows 7 Home Basic have the following minimum hardware
requirements:
n 1 GHz 32-bit (x86) or 64-bit (x64) processor
n 512 MB of system memory
n A 20-GB (x64) or 16-GB (x86) hard disk drive, traditional or Solid State Disk (SSD), with
at least 15 GB of available space
n A graphics adapter that supports DirectX 9 graphics and 32 MB of graphics memory
Windows 7 Home Premium, Professional, Ultimate, and Enterprise editions have the
following
minimum hardware requirements:
n 1 GHz 32-bit (x86) or 64-bit (x64) processor
n 1 GB of system memory
n A 40-GB hard disk drive (traditional or SSD) with at least 15 GB of available space
n A graphics adapter that supports DirectX 9 graphics, has a Windows Display Driver
Model (WDDM) driver, Pixel Shader 2.0 hardware, and 32 bits per pixel and a minimum
of 128 MB graphics memory Windows 7 supports two different processor architectures. The 32-bit version of Windows
7
is usually labeled as being x86. You should install the x86 version of Windows 7 on computers
with older processors, such as the Pentium IV, as well as newer small form factor laptop
computers, also known as netbooks. The main limitation of the x86 version of Windows 7 is
that it does not support more than 4 GB of RAM. It is possible to install the x86 version of
Windows 7 on computers that have x64 processors, but the operating system will be unable
to utilize any RAM that the computer has beyond 4 GB. You can install the x64 version of
Windows 7 only on computers that have x64-compatible processors. The x64 versions of
Windows 7 Professional, Enterprise, and Ultimate editions support up to 128 GB of RAM. The
x64 version of Windows 7 Home Basic edition supports 8 GB and the x64 edition of Home
Premium supports a maximum of 16 GB.
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