The main editions also can take the form of one of the following special editions:
N and KN editions
The features in the N and KN Editions are the same as their equivalent full versions, but do not include In-place upgrade from Windows Vista with Service Pack 1 to Windows 7 is supported if the processor architecture and the language are the same and their editions match (see below). In-place upgrade is not supported for earlier versions of Windows; moving to Windows 7 on these machines requires a clean installation, i.e. removal of the old operating system, installing Windows 7 and reinstalling all previously installed programs. Windows Easy Transfer can assist in this process.
Microsoft made upgrade SKUs of Windows 7 for selected editions of Windows XP and Windows Vista. The difference between these SKUs and full SKUs of Windows 7 is their lower price and proof of license ownership of a qualifying previous version of Windows. Same restrictions on in-place upgrading applies to these SKUs as well. In addition, Windows 7 is available as a Family Pack upgrade edition in certain markets, to upgrade to Windows 7 Home Premium only. It gives licenses to upgrade three machines from Vista or Windows XP to the Windows 7 Home Premium edition. These are not full versions, so each machine to be upgraded must have one of these qualifying previous versions of Windows for them to work. In the United States, this offer expired in early December 2009. In October 2010, to commemorate the anniversary of Windows 7, Microsoft once again made Windows 7 Home Premium Family Pack available for a limited time, while supplies lasted.
There are two possible ways to upgrade to Windows 7 from an earlier version of Windows:
The table below lists which upgrade paths allow for an in-place install. Note that in-place upgrades can only be performed when the previous version of Windows is of the same architecture. If upgrading from a 32-bit installation to a 64-bit installation or downgrading from 64-bit installation to 32-bit installation, a clean install is mandatory regardless of the editions being used.
Microsoft supports in-place upgrades from a lower edition of Windows 7 to a higher one, using the Windows Anytime Upgrade tool. There are currently three retail options available (though it is currently unclear whether they can be used with previous installations of the N versions), however there are no family pack versions of the Anytime Upgrade editions. It was possible to use the Product Key from a Standard upgrade edition to accomplish an in-place upgrade (e.g. Home Premium to Ultimate).
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Not the same as logical processor limits: all editions are limited to 32 logical processors for IA-32 and 256 for x64
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Feature of Windows Media Player which enables the use and control of media libraries on other computers
Windows 7 N Edition does not include Windows Media Player.
Windows 7 N Edition does not include Windows Media Player.
Windows 7 N Edition does not include Windows Media Player.
Windows 7 N Edition does not include Windows Media Player.
Disabled by default.[48]
Disabled by default.[48]
Which one is right for you? – Microsoft Windows http://windows.microsoft.com/en-us/windows7/products/compare-editions?T1=tab01
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Windows 7 Product Guide http://www.microsoft.com/downloads/details.aspx?FamilyID=b3c68ec2-e726-4830-ac89-31c71d6be5f3&displaylang=en
Windows Virtual PC including a complete copy of Windows XP with Service Pack 3 using Remote Desktop Protocol to display individual applications integrated with the host OS (Windows 7). Windows XP Mode is available as a free download from Microsoft. /wiki/Windows_Virtual_PC
formerly Active Directory Application Mode (ADAM)
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Windows 7 N Edition does not include Windows Media Player.
Windows 7 N Edition does not include Windows Media Player.
Windows 7 Product Guide http://www.microsoft.com/downloads/details.aspx?FamilyID=b3c68ec2-e726-4830-ac89-31c71d6be5f3&displaylang=en
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6292A Installing and Configuring Windows 7 Client: Microsoft. p14. Part Number X17-37160 Released 10/2009
Any edition of Windows 7 can be installed onto a VHD volume; these installations even appear in the boot menu. However, only Enterprise or Ultimate editions start. Other editions return an error message.[56] /wiki/VHD_(file_format)
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