Royalty OEM Reference Sheet - Windows Vista Downgrade Rights

Short Description
downgrade rights from Windows Vista Business or Windows Vista Ultimate to a … No downgrade rights are included in other Windows Vista products in the OEM …

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Content
Downgrade Rights
Downgrade rights are an end-user right and
are documented in the product License
Terms or End-User License Agreement (EULA)
and refer to the ability of your customers to
acquire the most recent version of
Microsoft?operating system software but
continue to run a previous version until they
are ready to move to the new operating
system version.
When and Why Would Customers Use Downgrade Rights?
Your customer is purchasing a new computer system and needs to run the same operating system
as their existing 10 systems-Windows XP Professional. An OEM may facilitate the end user’s
downgrade rights from Windows Vista Business or Windows Vista Ultimate to a qualifi ed version
of Windows XP Professional (noted below) on the new computer system. This process is further
defi ned in the Desktop Operating System License Agreement (DTOS). The downgrade media must
be supplied to you from the end user and must come from a legally licensed version of Microsoft
retail, OEM/System Builder, or Volume License channels.
What software versions qualify for downgrade rights?
Not all versions of software contain downgrade rights. The chart below shows the OEM desktop
operating system software versions…