From 99d99aaf15f7d4643a133014d35c6db23f3837ce Mon Sep 17 00:00:00 2001 From: Greg Lindsay Date: Thu, 28 Jun 2018 10:58:17 -0700 Subject: [PATCH] yada --- .../upgrade/windows-10-downgrade-paths.md | 138 +----------------- .../upgrade/windows-10-edition-downgrades.md | 14 +- 2 files changed, 9 insertions(+), 143 deletions(-) diff --git a/windows/deployment/upgrade/windows-10-downgrade-paths.md b/windows/deployment/upgrade/windows-10-downgrade-paths.md index 083812a740..ec2c3ace83 100644 --- a/windows/deployment/upgrade/windows-10-downgrade-paths.md +++ b/windows/deployment/upgrade/windows-10-downgrade-paths.md @@ -10,143 +10,7 @@ author: greg-lindsay ms.date: 06/28/2018 --- -# Windows 10 edition downgrade -**Applies to** - -- Windows 10 - -This topic provides a summary of supported Windows 10 edition in-place downgrade paths. A valid product key for the destination edition is required. You might need to downgrade the edition of Windows 10, for example, if an Enterprise license is expired. - -To perform a downgrade, you can use the same methods as when performing an [edition upgrade](windows-10-edition-upgrades.md). If a downgrade is supported, then your apps and settings can be migrated from the current edition to the downgraded edition. If a path is not supported, then a clean install is required. - -Downgrading from any edition of Windows 10 to Windows 7, 8, or 8.1 by entering a different product key is not supported. The only downgrade method available for this path is through the rollback of a previous upgrade. You also cannot downgrade from a later version to an earlier version of the same edition (Ex: Windows 10 Pro 1709 to 1703) unless the rollback process is used. This topic does not discuss version downgrades. - -**Note**: As of October 2017 computers that are supplied by an OEM include a firmware embedded product key. If a computer has this key, it will affect the available edition downgrade paths. To determine if a computer has a firmware-embedded activation key and to discover the the original, pre-installed OS edition, type the following at an elevated Windows PowerShell prompt: - -``` -(Get-WmiObject -query ‘select * from SoftwareLicensingService’).OA3xOriginalProductKey -``` - -Scenario example: -- Downgrade Enterprise - - Original edition with firmware-embedded key: **Pro** - - Upgrade edition: **Enterprise** - - Valid downgrade paths: **Pro, Pro for Workstations, Pro Education, Education** - - ->**Windows 10 LTSC/LTSB**: Due to [naming changes](https://docs.microsoft.com/en-us/windows/deployment/update/waas-overview#naming-changes), product versions that display Windows 10 LTSB will be replaced with Windows 10 LTSC in subsequent feature updates. The term LTSC is used here to refer to all long term servicing versions. - ->**Windows N/KN**: Windows "N" and "KN" SKUs follow the same rules shown below. - -## Supported Windows 10 downgrade paths - ->[!NOTE] ->Edition changes that are considered upgrades (Ex: Pro to Enterprise, Pro to Pro for Workstations) are not shown here. ->For more information see [Windows 10 edition upgrade](windows-10-edition-upgrades.md).
- -Switching between different editions of Pro might not be possible if the device has a firmware-embedded key associated with an OEM pre-installed OS. An exception is that you can perform an upgrade from Pro to Pro for Workstation using a computer with an embedded Pro key, and then later downgrade this computer back to Pro, assuming you a valid license keys for Pro. - -✔ = Supported downgrade path
-N  = Not supported from OEM pre-installed
- -
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Destination edition
      HomeProPro for WorkstationsPro EducationEducationEnterprise LTSCEnterprise
Starting edition
Home
Pro
Pro for WorkstationsN
Pro EducationNN
Education✔✔✔
Enterprise LTSC
Enterprise✔✔✔✔
- - -## Related Topics - -[Windows 10 deployment scenarios](../windows-10-deployment-scenarios.md)
-[Windows upgrade and migration considerations](windows-upgrade-and-migration-considerations.md)
-[Windows 10 edition upgrade](windows-10-edition-upgrades.md)
-[Windows 10 upgrade paths](windows-10-upgrade-paths.md) +Redirected to [Windows 10 edition downgrade](Windows-10-edition-downgrades.md) diff --git a/windows/deployment/upgrade/windows-10-edition-downgrades.md b/windows/deployment/upgrade/windows-10-edition-downgrades.md index 083812a740..db179fd7ca 100644 --- a/windows/deployment/upgrade/windows-10-edition-downgrades.md +++ b/windows/deployment/upgrade/windows-10-edition-downgrades.md @@ -17,18 +17,20 @@ ms.date: 06/28/2018 This topic provides a summary of supported Windows 10 edition in-place downgrade paths. A valid product key for the destination edition is required. You might need to downgrade the edition of Windows 10, for example, if an Enterprise license is expired. -To perform a downgrade, you can use the same methods as when performing an [edition upgrade](windows-10-edition-upgrades.md). If a downgrade is supported, then your apps and settings can be migrated from the current edition to the downgraded edition. If a path is not supported, then a clean install is required. +To perform a downgrade, you can use the same methods as when performing an [edition upgrade](windows-10-edition-upgrades.md). If the downgrade path is supported, then your apps and settings can be migrated from the current edition to the downgraded edition. If a path is not supported, then a clean install is required. Downgrading from any edition of Windows 10 to Windows 7, 8, or 8.1 by entering a different product key is not supported. The only downgrade method available for this path is through the rollback of a previous upgrade. You also cannot downgrade from a later version to an earlier version of the same edition (Ex: Windows 10 Pro 1709 to 1703) unless the rollback process is used. This topic does not discuss version downgrades. -**Note**: As of October 2017 computers that are supplied by an OEM include a firmware embedded product key. If a computer has this key, it will affect the available edition downgrade paths. To determine if a computer has a firmware-embedded activation key and to discover the the original, pre-installed OS edition, type the following at an elevated Windows PowerShell prompt: +## Firmware-embedded activation keys + +As of October 2017. computers that are supplied by an OEM include a firmware embedded product key. If a computer has this key, it will affect the available edition downgrade paths. To determine if a computer has a firmware-embedded activation key and to discover the the original, pre-installed OS edition, type the following at an elevated Windows PowerShell prompt: ``` (Get-WmiObject -query ‘select * from SoftwareLicensingService’).OA3xOriginalProductKey ``` -Scenario example: -- Downgrade Enterprise +Scenario example:
+Downgrade Enterprise - Original edition with firmware-embedded key: **Pro** - Upgrade edition: **Enterprise** - Valid downgrade paths: **Pro, Pro for Workstations, Pro Education, Education** @@ -44,10 +46,10 @@ Scenario example: >Edition changes that are considered upgrades (Ex: Pro to Enterprise, Pro to Pro for Workstations) are not shown here. >For more information see [Windows 10 edition upgrade](windows-10-edition-upgrades.md).
-Switching between different editions of Pro might not be possible if the device has a firmware-embedded key associated with an OEM pre-installed OS. An exception is that you can perform an upgrade from Pro to Pro for Workstation using a computer with an embedded Pro key, and then later downgrade this computer back to Pro, assuming you a valid license keys for Pro. +Switching between different editions of Pro might not be possible if the source OS is associated with a [firmware-embedded activation key](#firmware-embedded-activation-keys). An exception is that you can perform an upgrade from Pro to Pro for Workstation using a computer with an embedded Pro key, and then later downgrade this computer back to Pro. ✔ = Supported downgrade path
-N  = Not supported from OEM pre-installed
+N   = Not supported from OEM pre-installed