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What's the builder Windows Key to upgrade from Windows 8.0 to 8.1?

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c627627

c(n*199780) Senior Member
Joined
Feb 18, 2002
If you have a Windows 8.1 ISO and want to go from Windows 8.0 Pro to 8.1 Pro you cannot use your retail key to do so.
You must first use builder key
GCRJD-8NW9H-F2CDX-CCM8D-9D6T9
to get the update going and only after it updates do you then change the Windows Key to your own that came with Windows 8.0.


I just found out the hard way if you do this with laptops then they will go from Windows 8.0 NON-PRO to 8.1 PRO with that builder key and you will not be able to activate 8.1 with your 8.0 key because your key is NON-PRO and you updated to PRO using key GCRJD-8NW9H-F2CDX-CCM8D-9D6T9

WHAT IS THE EQUIVALENT 8.1 NON-PRO KEY TO UPDATE Windows 8.0 NON-PRO LAPTOPS like Dell or HP?

I keep trying the ones I found in old threads and none seem to get the 8.1 ISO to take them... I have no problems getting the 8.1 ISO to take the PRO builder key GCRJD-8NW9H-F2CDX-CCM8D-9D6T9
 
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