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Main article: Windows 7 editions
Windows 7 is available in six different editions, of which the Home
Premium, Professional, and Ultimate editions are available for
retail sale to consumers in most countries. The other editions are
not available in retail. The Starter edition is only available
preinstalled by OEMs on new PCs, the Enterprise edition only by
volume licensing, and Home Basic only to certain developing
countries' markets. Each edition of Windows 7 includes all of the
capabilities and features of the edition below it.
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All editions support the IA-32 processor architecture and all
editions except Starter support the x86-64 processor architecture.
The installation medium is the same for all the consumer editions
of Windows 7 that have the same processor architecture, with the
license determining the features that are activated; license
upgrades permit the subsequent unlocking of features without
re-installation of the operating system. This is the first time has
distributed 2 DVDs (1 DVD for IA-32 processor architecture, the
other DVD for x86-64 processor architecture) for each edition of
Windows 7 (Except for Starter and Home Basic; some OEM copies have
only DVD for IA-32 architecture; the installation DVD of Windows 7
Home Basic 64-bit edition is not included but can be obtained from
.). Users who wish to upgrade to an edition of Windows 7 with more
features can then use Windows Anytime Upgrade to purchase the
upgrade, and unlock the features of those editions.
Some copies of Windows 7 have restrictions, in which it must be distributed, sold, or bought and activated in the geographical region specified in its front cover box.
is offering a family pack of Windows 7 Home Premium (in select markets) that allows installation on up to three PCs. The "Family Pack" costs US$149.99 in the United States.
On September 18, 2009, said they were to offer temporary student
discounts for Windows 7. The offer ran in the US and the United
Kingdom, with similar schemes available in Canada, Australia,
Korea, Mexico, France and India. Students with a valid .edu or
.ac.uk email address could apply for either Windows 7 Home Premium
or Professional, priced at $30 or £30.
Windows 7 is also currently available as an embedded version to
developers (previously Windows Embedded 2011).
Additional requirements to use certain features:
SATA AHCI support was not added to Windows until XP Service Pack 1.
As a result, in most motherboards the BIOS default for SATA support
is to (emulate) IDE (ATA) rather than use AHCI (SATA). As explained
here, this setting needs to be changed before installation, and any
chiet-specific AHCI or RAID drivers need to be loaded (from a USB
Flash drive, for example) at installation time.
Windows XP Mode (Professional, Ultimate and Enterprise): Requires
an additional 1 GB of RAM and additional 15 GB of available hard
disk space. The requirement for a processor capable of hardware
virtualization has been lifted.
Windows Media Center (included in Home Premium, Professional,
Ultimate and Enterprise), requires a TV tuner to receive and record
TV.
Windows 7 Hardware Requirements | |
Processor | 1 GHz or faster 32-bit (x86) or 64-bit (x64 processor) |
RAM | 1GB RAM (32-bit) or 2GB RAM (64-bit) |
Hard Disk Space | 16GB available hard disk space (32-bit) or 20GB (64-bit) |
Graphics card | DirectX 9 graphics device with WDDM 1.0 or later driver |