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Windows 7 Upgrade Paths


By sqlguychuck - Posted on 25 July 2009

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Windows 7 Availability Schedule

Microsoft has a Word document you can download on the subject, but I thought I would post the contents here, as why would anyone want to waste time downloading for such a short content piece, so here it is. Subject to change per MS.

Windows 7 Upgrade Paths

This document outlines supported and unsupported upgrade paths for editions of the Windows® 7 operating system.
 

Unsupported Upgrade Scenarios

·      Upgrades to Windows 7 from the following operating systems are not supported: 
·      Windows 95, Windows 98, Windows Millennium Edition, Windows XP, Windows Vista® RTM, Windows Vista Starter, Windows 7 M3, Windows 7 Beta, Windows 7 RC, or Windows 7 IDS
·      Windows NT® Server 4.0, Windows 2000 Server, Windows Server® 2003, Windows Server 2008, or Windows Server 2008 R2
·      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 N to Windows 7 K) are not supported.
·      Upgrades from Windows Vista to Windows N, Windows K, Windows KN, or Windows E are not supported. 
·      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.



Supported Upgrade Scenarios

From Windows Vista (SP1, SP2)
Upgrade to Windows 7
Business
Professional, Enterprise, Ultimate
Enterprise
Enterprise
Home Basic
Home Basic, Home Premium, Ultimate
Home Premium
Home Premium, Ultimate
Ultimate
Ultimate

 
From Windows 7
Upgrade to Windows 7
Enterprise
Enterprise
Home Basic
Home Basic
Home Premium
Home Premium
Professional
Professional
Starter (x86 only)
Starter (x86)
Ultimate
Ultimate
From Windows 7
Anytime Upgrade to Windows 7
Home Basic
Home Premium, Professional, Ultimate
Home Premium
Professional, Ultimate
Professional
Ultimate
Starter
Home Premium, Professional, Ultimate
 
 

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