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#1
Old unused Technet Keys You MUST activate product first before upgrade
Hi there
(@Mods -- wrong Section - please move to Windows activation)
If you have a load of old unused TechNet keys then doing a Clean install and entering any of these keys WON'T WORK.
You need unfortunately to install the product (W7/W8/W8.1), activate (those keys work) then DO THE UPGRADE and finally THEN do a clean install.
A bit of a bugbear -- howver tested this with a VM -- have a load of unused TechNet keys so it took a few "Goes" to get it to work.
Note - If you install W7/W8/W8.1 you need to ensure you get the latest updates (of THOSE OS'S) before attempting the update (to W10) process.
I think the Ms servers record the activation of those keys - If they haven't been used then the servers won't activate them on W10. Once activated then the keys are registered on the servers and W10 clean install works.
Cheers
jimbo