Vista Upgrade Paths
Windows Version | Version of Windows 7 you can upgrade to | | | | - Windows Vista Business (Requires Service Pack 1 or later)
| - Professional, Enterprise, Ultimate
| - Windows Vista Enterprise (Requires Service Pack 1 or later)
| | - Windows Vista Home Basic (Requires Service Pack 1 or later)
| - Home Basic, Home Premium, Ultimate
| - Windows Vista Home Premium (Requires Service Pack 1 or later)
| | - Windows Vista Ultimate (Requires Service Pack 1 or later)
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Anytime Upgrades to Windows 7 Windows Version | Anytime Upgrade to Windows 7 | | | | | - Home Premium, Professional, Ultimate
| | | | - Home Premium, Professional, Ultimate
| | - Home Premium, Professional, Ultimate
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Fresh install only with upgrade DVD paths No upgrade available but fresh install allowed using upgrade DVD | | |
| - Windows XP Media Center Edition
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No Upgrade Paths available or use for upgrade DVD No upgrade use at all | | |
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| - Windows Millennium Edition
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Other upgrade Paths that will not allow an upgrade install Other unavailable upgrade Paths | | | - Cross-architecture in-place upgrades (for example, x86 to x64) are not supported.
| - Cross-language in-place upgrades (for example, en-us to de-de) are not supported.
| - Cross-SKU upgrades (for example, Windows 7 (Korean release) to Windows 7 (US release) are not supported.
| - Upgrades from Windows Vista to Windows K or Windows KN.
| - Cross-build type in-place upgrades (for example, fre to chk) are not supported.
| - Pre-release in-place upgrades across milestones (for example, Windows 7 RC to Windows 7 RTM) are not supported.
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Windows 7E for European users Windows 7 KN (Korean version) | | | No version will be available in the EU, and at time of writing no version is available for sale even to do a fresh parallel install Windows 7N does not contain an internet browser or Media Player
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