Monday, September 3, 2018

Downgrade Windows 7 Ultimate to Home Premium without a clean install

Currently I've got an installation of Windows 7 Ultimate x64. I would like to downgrade to Windows 7 Home Premium x64 without a clean install. I've got a (legal) retail disc and tried the following tricks:



  1. Trick the Windows version using a registry hack with all possible combinations


  2. In combination with a trick to make an ISO with all editions



Still the Windows setup keeps telling me I can't upgrade because I've got a higher version installed (Ultimate). The trick seems dead. Does anyone know a way to change from Ultimate to Home Premium without the hassle of a clean install?

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