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windows 7 installation query on my dell laptop
well i recently purchased dell laptop and it came with re installation cd as usual.
i used eifcg tool and unlocked all versions of windows 7 and burnt that iso image to another CD
my question is will my OEM key work for other versions of windows 7 i mean professional,ultimate as i have windows 7 home basic pre installed on my laptop or is it that home basic version is tied to my motherboard and i cant upgrade using the new cd i created???
i am really confused as to how OEM actually works.
on a side note i did try to use upgrade option but it gave error message cant upgrade to another version,use windows anytime upgrade.
however when i tried custom installation option it did allow me to click on another version lets say ultimate but i stopped short fearing my OEM key wont work on it
any suggestion guys???