Reactivating windows 10 after changing MB, RAM, and CPU

Jul 5, 2018
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Hello. My old PC recently got upgraded. The specs changed a lot, and now I am having trouble activating windows on my new PC. Here are the specs from old to new.

Motherboard- Gigabyte GA-F2A68HM-H -> Asus PRIME B360M-A
RAM- 4GB DDR3 from Adata -> 8GB DDR4 from Crucial
CPU- AMD A10-7860K -> Intel Core i7-8700 (not K)
(Hard drive and PSU were not upgraded.)

Everything is going well on this PC, despite the fact windows is not activated.
I looked at some other articles and discovered that windows has a Reactivate Windows feature. I completely wiped my hard drive when I upgraded the specs, so I reinstalled windows.
My old PC and new PC use the same microsoft account, but when I open the Reinstall Windows menu, only one device shows up. This device is "William's-PC, Gigabyte Technology Co., Ltd." What I assume from the Gigabyte Technology part is that this is my old motherboard, which means before I upgraded. My pc before the upgrade was a genuine copy of Windows 10 Pro, and my new pc is also windows 10 pro, but doesn't show up on the list. Here is a picture with all of my current specs, and the reactivate windows screen. http://prntscr.com/k2ybuq . This might be wrong, but the way I see this image is that my old pc shows up on this list, with the activated windows, (which hopefully means its linked to my microsoft account (which it is, http://prntscr.com/k2ydoe)) but my new pc, still linked to the same microsoft account does not show up on this reactivate list. This is as much info I can think of supplying, but please let me know if I need to show another screenshot or answer any questions.
Thank you. PS- if it has anything to do with this, I upgraded my old,old pc at one point aswell. However, this upgrade happened a long time ago, and I only upgraded the processor (amd a4 to amd a10) which didn't require any reactivation.
 

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