InfernalPhantom :
So I have recently reinstalled windows 10 onto my computer (From windows 10 to windows 10 again) and I wiped my HDD so it can reformat properly for the windows installation. After the install I then needed to reactivate my windows by putting in my product key, after searching physically inside and all over my computer I cannot seem to find any key to activate my windows licences. (When I bought my computer it had windows 8 then I upgraded to windows 10 for free without problem) I am currently suck, Thanks.
You had Win 8
You Upgraded to Win 10
It was then properly activated?
If so, no problem.
You now have what is known as a 'digital entitlement'. Rather than the old school 'license key'.
This info is stored at the mothership. It is a hash of your old Win 8 license and data from you your hardware.
There is no real 'license key' for his.
During the reinstall of Win 10, when it asks for the license key, you select "I don't have one".
Later, when the system actually goes online, it will activate.