Microsft making money when customers downgrade from Windows Vista to XP because first you have to upgrade to get to downgrade

Microsoft, however, may profit from the way it structures downgrade rights. Only buyers of PCs with pre-installed editions of Vista
Business and Vista Ultimate can downgrade, and then only to Windows XP Professional. All three editions are higher-priced versions of their respective lines, a fact that the lawsuit mentioned in passing.
"Customers have been forced to purchase the most expensive version of [Windows XP] in order to 'downgrade' from the Windows Vista operating system," the complaint read.
That was the cause of some confusion last year, when Dell Inc. was accused of gouging customers by charging $150 to downgrade a new computer to XP. Dell, however, countered that although it did charge $20 to install XP on the machine, as well as to cover the cost of the additional media, the bulk -- $120 of the $150 -- was the price of upgrading the PC from the standard Home Premium to the more expensive Business edition.
Microsoft does not offer downgrade rights with its Vista Home Premium, the most popular of Vista's editions. "Microsoft mandates that customers who want to downgrade to XP must purchase the license to Vista Business or Vista Ultimate," said Dell spokesman David Frink last December. "[That's] typically about a $130 premium, though some retail outlets charge more."
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