После OEM стёр знаки вопроса Ж) Теперь понятнее
Всем спасибо. Разобрался. (где-то прочитал, что ОЕМ нельзя никак даунгрейдить, так и отложилось в памяти)
Если кому будет интересно:
http://www.microsoft.com/oem/en/lice...de_rights.aspx
Цитата:
Your ability to downgrade to a prior version of Windows is stated in the License Terms for these products. You can use the following media for your downgrade: Volume Licensing media (provided the end user has a Volume Licensing agreement), retail (FPP), or OEM (which includes system builder hologram CD, provided the software is acquired in accordance with the Microsoft OEM System Builder License). Use of the downgraded operating system is governed by the Windows 7 or Windows Vista License Terms for the original product pre-installed on the PC. You cannot use both the licensed Windows product and the downgrade product - only one Windows product can be used at a time. There are no downgrade rights granted for Windows 7 Starter, Windows 7 Home Basic, or Windows 7 Home Premium.
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По-русски:
- Даунгрейдить можно любые OEM\VL, но только: Professional, Ultimate (и Business для Висты).