windows 7 ultimate N to windows 7 home premium?

[Hahadumball]

can i upgrade from 7n to 7 home premium?
some mongtard laid his mitts on my mums laptop when it went wrogn and installed a non genuine windows 7 ultimate N which has since required the key so can i install windows 7 home premium without losing files or is it fresh installl only?
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Fin: no matter how much I look at It I can't understand what was going through my head, all I remember is going about 80 and redlining it to stop it seizing.
360 Deg... Five 1/4 turns. :- Teflon-Mike 18 Jan 2015

[RhynoCZ]

The easiest thing to do, would be putting the wanted data on a different storage device, then doing the fresh instal.
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'87 Honda XBR 500, '96 Kawasaki ZX7R P1, '90 Honda CB-1, '88 Kawasaki GPz550, MZ 150 ETZ
'95 Mercedes-Benz w202 C200 CGI, '98 Mercedes-Benz w210 E200 Kompressor

[Pjay]

AFAIK, you just put in your genuine key and it changes to the version the key is for.
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struan80 - I'll go first - satisfied tick 1

[M.C]

Windows loader, just make sure you download from the right place.