Windows 7 Windows7 Premium to Professional

andya

New Member
Joined
Nov 28, 2009
I have a pc with Windows7 Premium installed on it. I also have a version of Windows7 Profesional on disc (complete version not upgrade). What is the best way to get the profesional release on my pc running : clean install or will the premium system propose an upgrade? If an upgrade should be possible, is all my data and existing programms of then deleted?
 
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